21101658770

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1\times {\mathrm{52081}}^1$

素因数の和:53426

約数の個数: 32

約数和(自身を含む): 39238995456

約数和(自身を除く): 18137336686

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1307, 2614, 6535, 13070, 40517, 52081, 81034, 104162, 202585, 260405, 405170, 520810, 1614511, 3229022, 8072555, 16145110, 68069867, 136139734, 340349335, 680698670, 2110165877, 4220331754, 10550829385, 21101658770]

約数ペア:

[(1, 21101658770), (2, 10550829385), (5, 4220331754), (10, 2110165877), (31, 680698670), (62, 340349335), (155, 136139734), (310, 68069867), (1307, 16145110), (2614, 8072555), (6535, 3229022), (13070, 1614511), (40517, 520810), (52081, 405170), (81034, 260405), (104162, 202585)]