21457230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42073}}^1$

素因数の和:42100

約数の個数: 32

約数和(自身を含む): 54527904

約数和(自身を除く): 33070674

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42073, 84146, 126219, 210365, 252438, 420730, 631095, 715241, 1262190, 1430482, 2145723, 3576205, 4291446, 7152410, 10728615, 21457230]

約数ペア:

[(1, 21457230), (2, 10728615), (3, 7152410), (5, 4291446), (6, 3576205), (10, 2145723), (15, 1430482), (17, 1262190), (30, 715241), (34, 631095), (51, 420730), (85, 252438), (102, 210365), (170, 126219), (255, 84146), (510, 42073)]