21096800

素因数分解:

$2^5\times 5^2\times {\mathrm{26371}}^1$

素因数の和:26391

約数の個数: 36

約数和(自身を含む): 51504516

約数和(自身を除く): 30407716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26371, 52742, 105484, 131855, 210968, 263710, 421936, 527420, 659275, 843872, 1054840, 1318550, 2109680, 2637100, 4219360, 5274200, 10548400, 21096800]

約数ペア:

[(1, 21096800), (2, 10548400), (4, 5274200), (5, 4219360), (8, 2637100), (10, 2109680), (16, 1318550), (20, 1054840), (25, 843872), (32, 659275), (40, 527420), (50, 421936), (80, 263710), (100, 210968), (160, 131855), (200, 105484), (400, 52742), (800, 26371)]