21220056

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 70131600

約数和(自身を除く): 48911544

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 27, 33, 36, 39, 44, 52, 54, 66, 72, 78, 81, 88, 99, 104, 108, 117, 132, 143, 156, 162, 198, 216, 229, 234, 264, 286, 297, 312, 324, 351, 396, 429, 458, 468, 572, 594, 648, 687, 702, 792, 858, 891, 916, 936, 1053, 1144, 1188, 1287, 1374, 1404, 1716, 1782, 1832, 2061, 2106, 2376, 2519, 2574, 2748, 2808, 2977, 3432, 3564, 3861, 4122, 4212, 5038, 5148, 5496, 5954, 6183, 7128, 7557, 7722, 8244, 8424, 8931, 10076, 10296, 11583, 11908, 12366, 15114, 15444, 16488, 17862, 18549, 20152, 22671, 23166, 23816, 24732, 26793, 30228, 30888, 32747, 35724, 37098, 45342, 46332, 49464, 53586, 60456, 65494, 68013, 71448, 74196, 80379, 90684, 92664, 98241, 107172, 130988, 136026, 148392, 160758, 181368, 196482, 204039, 214344, 241137, 261976, 272052, 294723, 321516, 392964, 408078, 482274, 544104, 589446, 643032, 785928, 816156, 884169, 964548, 1178892, 1632312, 1768338, 1929096, 2357784, 2652507, 3536676, 5305014, 7073352, 10610028, 21220056]

約数ペア:

[(1, 21220056), (2, 10610028), (3, 7073352), (4, 5305014), (6, 3536676), (8, 2652507), (9, 2357784), (11, 1929096), (12, 1768338), (13, 1632312), (18, 1178892), (22, 964548), (24, 884169), (26, 816156), (27, 785928), (33, 643032), (36, 589446), (39, 544104), (44, 482274), (52, 408078), (54, 392964), (66, 321516), (72, 294723), (78, 272052), (81, 261976), (88, 241137), (99, 214344), (104, 204039), (108, 196482), (117, 181368), (132, 160758), (143, 148392), (156, 136026), (162, 130988), (198, 107172), (216, 98241), (229, 92664), (234, 90684), (264, 80379), (286, 74196), (297, 71448), (312, 68013), (324, 65494), (351, 60456), (396, 53586), (429, 49464), (458, 46332), (468, 45342), (572, 37098), (594, 35724), (648, 32747), (687, 30888), (702, 30228), (792, 26793), (858, 24732), (891, 23816), (916, 23166), (936, 22671), (1053, 20152), (1144, 18549), (1188, 17862), (1287, 16488), (1374, 15444), (1404, 15114), (1716, 12366), (1782, 11908), (1832, 11583), (2061, 10296), (2106, 10076), (2376, 8931), (2519, 8424), (2574, 8244), (2748, 7722), (2808, 7557), (2977, 7128), (3432, 6183), (3564, 5954), (3861, 5496), (4122, 5148), (4212, 5038)]