21101472368

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{881}}^1\times {\mathrm{40459}}^1$

素因数の和:41385

約数の個数: 40

約数和(自身を含む): 42037778160

約数和(自身を除く): 20936305792

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 881, 1762, 3524, 7048, 14096, 32597, 40459, 65194, 80918, 130388, 161836, 260776, 323672, 521552, 647344, 1496983, 2993966, 5987932, 11975864, 23951728, 35644379, 71288758, 142577516, 285155032, 570310064, 1318842023, 2637684046, 5275368092, 10550736184, 21101472368]

約数ペア:

[(1, 21101472368), (2, 10550736184), (4, 5275368092), (8, 2637684046), (16, 1318842023), (37, 570310064), (74, 285155032), (148, 142577516), (296, 71288758), (592, 35644379), (881, 23951728), (1762, 11975864), (3524, 5987932), (7048, 2993966), (14096, 1496983), (32597, 647344), (40459, 521552), (65194, 323672), (80918, 260776), (130388, 161836)]