21353904

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 240

約数和(自身を含む): 75557664

約数和(自身を除く): 54203760

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 17, 18, 22, 24, 26, 33, 34, 36, 39, 44, 48, 51, 52, 61, 66, 68, 72, 78, 88, 99, 102, 104, 117, 122, 132, 136, 143, 144, 153, 156, 176, 183, 187, 198, 204, 208, 221, 234, 244, 264, 272, 286, 306, 312, 366, 374, 396, 408, 429, 442, 468, 488, 528, 549, 561, 572, 612, 624, 663, 671, 732, 748, 792, 793, 816, 858, 884, 936, 976, 1037, 1098, 1122, 1144, 1224, 1287, 1326, 1342, 1464, 1496, 1584, 1586, 1683, 1716, 1768, 1872, 1989, 2013, 2074, 2196, 2244, 2288, 2379, 2431, 2448, 2574, 2652, 2684, 2928, 2992, 3111, 3172, 3366, 3432, 3536, 3978, 4026, 4148, 4392, 4488, 4758, 4862, 5148, 5304, 5368, 6039, 6222, 6344, 6732, 6864, 7137, 7293, 7956, 8052, 8296, 8723, 8784, 8976, 9333, 9516, 9724, 10296, 10608, 10736, 11407, 12078, 12444, 12688, 13464, 13481, 14274, 14586, 15912, 16104, 16592, 17446, 18666, 19032, 19448, 20592, 21879, 22814, 24156, 24888, 26169, 26928, 26962, 28548, 29172, 31824, 32208, 34221, 34892, 37332, 38064, 38896, 40443, 43758, 45628, 48312, 49776, 52338, 53924, 57096, 58344, 68442, 69784, 74664, 78507, 80886, 87516, 91256, 96624, 102663, 104676, 107848, 114192, 116688, 121329, 136884, 139568, 148291, 149328, 157014, 161772, 175032, 182512, 205326, 209352, 215696, 242658, 273768, 296582, 314028, 323544, 350064, 410652, 418704, 444873, 485316, 547536, 593164, 628056, 647088, 821304, 889746, 970632, 1186328, 1256112, 1334619, 1642608, 1779492, 1941264, 2372656, 2669238, 3558984, 5338476, 7117968, 10676952, 21353904]

約数ペア:

[(1, 21353904), (2, 10676952), (3, 7117968), (4, 5338476), (6, 3558984), (8, 2669238), (9, 2372656), (11, 1941264), (12, 1779492), (13, 1642608), (16, 1334619), (17, 1256112), (18, 1186328), (22, 970632), (24, 889746), (26, 821304), (33, 647088), (34, 628056), (36, 593164), (39, 547536), (44, 485316), (48, 444873), (51, 418704), (52, 410652), (61, 350064), (66, 323544), (68, 314028), (72, 296582), (78, 273768), (88, 242658), (99, 215696), (102, 209352), (104, 205326), (117, 182512), (122, 175032), (132, 161772), (136, 157014), (143, 149328), (144, 148291), (153, 139568), (156, 136884), (176, 121329), (183, 116688), (187, 114192), (198, 107848), (204, 104676), (208, 102663), (221, 96624), (234, 91256), (244, 87516), (264, 80886), (272, 78507), (286, 74664), (306, 69784), (312, 68442), (366, 58344), (374, 57096), (396, 53924), (408, 52338), (429, 49776), (442, 48312), (468, 45628), (488, 43758), (528, 40443), (549, 38896), (561, 38064), (572, 37332), (612, 34892), (624, 34221), (663, 32208), (671, 31824), (732, 29172), (748, 28548), (792, 26962), (793, 26928), (816, 26169), (858, 24888), (884, 24156), (936, 22814), (976, 21879), (1037, 20592), (1098, 19448), (1122, 19032), (1144, 18666), (1224, 17446), (1287, 16592), (1326, 16104), (1342, 15912), (1464, 14586), (1496, 14274), (1584, 13481), (1586, 13464), (1683, 12688), (1716, 12444), (1768, 12078), (1872, 11407), (1989, 10736), (2013, 10608), (2074, 10296), (2196, 9724), (2244, 9516), (2288, 9333), (2379, 8976), (2431, 8784), (2448, 8723), (2574, 8296), (2652, 8052), (2684, 7956), (2928, 7293), (2992, 7137), (3111, 6864), (3172, 6732), (3366, 6344), (3432, 6222), (3536, 6039), (3978, 5368), (4026, 5304), (4148, 5148), (4392, 4862), (4488, 4758)]