21000657603

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2389969}}^1$

素因数の和:2390102

約数の個数: 16

約数和(自身を含む): 29253232800

約数和(自身を除く): 8252575197

約数列:

[1, 3, 29, 87, 101, 303, 2929, 8787, 2389969, 7169907, 69309101, 207927303, 241386869, 724160607, 7000219201, 21000657603]

約数ペア:

[(1, 21000657603), (3, 7000219201), (29, 724160607), (87, 241386869), (101, 207927303), (303, 69309101), (2929, 7169907), (8787, 2389969)]