21994804805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1\times {\mathrm{1933}}^1$

素因数の和:2873

約数の個数: 32

約数和(自身を含む): 27633765600

約数和(自身を除く): 5638960795

約数列:

[1, 5, 29, 97, 145, 485, 809, 1933, 2813, 4045, 9665, 14065, 23461, 56057, 78473, 117305, 187501, 280285, 392365, 937505, 1563797, 2275717, 5437529, 7818985, 11378585, 27187645, 45350113, 151688309, 226750565, 758441545, 4398960961, 21994804805]

約数ペア:

[(1, 21994804805), (5, 4398960961), (29, 758441545), (97, 226750565), (145, 151688309), (485, 45350113), (809, 27187645), (1933, 11378585), (2813, 7818985), (4045, 5437529), (9665, 2275717), (14065, 1563797), (23461, 937505), (56057, 392365), (78473, 280285), (117305, 187501)]