21994121230

素因数分解:

$2^1\times 5^1\times {\mathrm{1697}}^1\times {\mathrm{1296059}}^1$

素因数の和:1297763

約数の個数: 16

約数和(自身を含む): 39612777840

約数和(自身を除く): 17618656610

約数列:

[1, 2, 5, 10, 1697, 3394, 8485, 16970, 1296059, 2592118, 6480295, 12960590, 2199412123, 4398824246, 10997060615, 21994121230]

約数ペア:

[(1, 21994121230), (2, 10997060615), (5, 4398824246), (10, 2199412123), (1697, 12960590), (3394, 6480295), (8485, 2592118), (16970, 1296059)]