21287808

素因数分解:

$2^7\times 3^2\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1124

約数の個数: 96

約数和(自身を含む): 64920960

約数和(自身を除く): 43633152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 128, 136, 144, 153, 192, 204, 272, 288, 306, 384, 408, 544, 576, 612, 816, 1087, 1088, 1152, 1224, 1632, 2174, 2176, 2448, 3261, 3264, 4348, 4896, 6522, 6528, 8696, 9783, 9792, 13044, 17392, 18479, 19566, 19584, 26088, 34784, 36958, 39132, 52176, 55437, 69568, 73916, 78264, 104352, 110874, 139136, 147832, 156528, 166311, 208704, 221748, 295664, 313056, 332622, 417408, 443496, 591328, 626112, 665244, 886992, 1182656, 1252224, 1330488, 1773984, 2365312, 2660976, 3547968, 5321952, 7095936, 10643904, 21287808]

約数ペア:

[(1, 21287808), (2, 10643904), (3, 7095936), (4, 5321952), (6, 3547968), (8, 2660976), (9, 2365312), (12, 1773984), (16, 1330488), (17, 1252224), (18, 1182656), (24, 886992), (32, 665244), (34, 626112), (36, 591328), (48, 443496), (51, 417408), (64, 332622), (68, 313056), (72, 295664), (96, 221748), (102, 208704), (128, 166311), (136, 156528), (144, 147832), (153, 139136), (192, 110874), (204, 104352), (272, 78264), (288, 73916), (306, 69568), (384, 55437), (408, 52176), (544, 39132), (576, 36958), (612, 34784), (816, 26088), (1087, 19584), (1088, 19566), (1152, 18479), (1224, 17392), (1632, 13044), (2174, 9792), (2176, 9783), (2448, 8696), (3261, 6528), (3264, 6522), (4348, 4896)]