21495055984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5639}}^1\times {\mathrm{12539}}^1$

素因数の和:18205

約数の個数: 40

約数和(自身を含む): 43849872000

約数和(自身を除く): 22354816016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5639, 11278, 12539, 22556, 25078, 45112, 50156, 90224, 100312, 107141, 200624, 214282, 238241, 428564, 476482, 857128, 952964, 1714256, 1905928, 3811856, 70707421, 141414842, 282829684, 565659368, 1131318736, 1343440999, 2686881998, 5373763996, 10747527992, 21495055984]

約数ペア:

[(1, 21495055984), (2, 10747527992), (4, 5373763996), (8, 2686881998), (16, 1343440999), (19, 1131318736), (38, 565659368), (76, 282829684), (152, 141414842), (304, 70707421), (5639, 3811856), (11278, 1905928), (12539, 1714256), (22556, 952964), (25078, 857128), (45112, 476482), (50156, 428564), (90224, 238241), (100312, 214282), (107141, 200624)]