21490159683

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{25603}}^1\times {\mathrm{5279}}^1$

素因数の和:30938

約数の個数: 16

約数和(自身を含む): 29200849920

約数和(自身を除く): 7710690237

約数列:

[1, 3, 53, 159, 5279, 15837, 25603, 76809, 279787, 839361, 1356959, 4070877, 135158237, 405474711, 7163386561, 21490159683]

約数ペア:

[(1, 21490159683), (3, 7163386561), (53, 405474711), (159, 135158237), (5279, 4070877), (15837, 1356959), (25603, 839361), (76809, 279787)]