21515781456

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{145487}}^1$

素因数の和:145593

約数の個数: 120

約数和(自身を含む): 65667463680

約数和(自身を除く): 44151682224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 79, 104, 117, 144, 156, 158, 208, 234, 237, 312, 316, 468, 474, 624, 632, 711, 936, 948, 1027, 1264, 1422, 1872, 1896, 2054, 2844, 3081, 3792, 4108, 5688, 6162, 8216, 9243, 11376, 12324, 16432, 18486, 24648, 36972, 49296, 73944, 145487, 147888, 290974, 436461, 581948, 872922, 1163896, 1309383, 1745844, 1891331, 2327792, 2618766, 3491688, 3782662, 5237532, 5673993, 6983376, 7565324, 10475064, 11347986, 11493473, 15130648, 17021979, 20950128, 22695972, 22986946, 30261296, 34043958, 34480419, 45391944, 45973892, 68087916, 68960838, 90783888, 91947784, 103441257, 136175832, 137921676, 149415149, 183895568, 206882514, 272351664, 275843352, 298830298, 413765028, 448245447, 551686704, 597660596, 827530056, 896490894, 1195321192, 1344736341, 1655060112, 1792981788, 2390642384, 2689472682, 3585963576, 5378945364, 7171927152, 10757890728, 21515781456]

約数ペア:

[(1, 21515781456), (2, 10757890728), (3, 7171927152), (4, 5378945364), (6, 3585963576), (8, 2689472682), (9, 2390642384), (12, 1792981788), (13, 1655060112), (16, 1344736341), (18, 1195321192), (24, 896490894), (26, 827530056), (36, 597660596), (39, 551686704), (48, 448245447), (52, 413765028), (72, 298830298), (78, 275843352), (79, 272351664), (104, 206882514), (117, 183895568), (144, 149415149), (156, 137921676), (158, 136175832), (208, 103441257), (234, 91947784), (237, 90783888), (312, 68960838), (316, 68087916), (468, 45973892), (474, 45391944), (624, 34480419), (632, 34043958), (711, 30261296), (936, 22986946), (948, 22695972), (1027, 20950128), (1264, 17021979), (1422, 15130648), (1872, 11493473), (1896, 11347986), (2054, 10475064), (2844, 7565324), (3081, 6983376), (3792, 5673993), (4108, 5237532), (5688, 3782662), (6162, 3491688), (8216, 2618766), (9243, 2327792), (11376, 1891331), (12324, 1745844), (16432, 1309383), (18486, 1163896), (24648, 872922), (36972, 581948), (49296, 436461), (73944, 290974), (145487, 147888)]