21497330

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 18813454

約数列:

[1, 2, 5, 10, 47, 53, 94, 106, 235, 265, 470, 530, 863, 1726, 2491, 4315, 4982, 8630, 12455, 24910, 40561, 45739, 81122, 91478, 202805, 228695, 405610, 457390, 2149733, 4299466, 10748665, 21497330]

約数ペア:

[(1, 21497330), (2, 10748665), (5, 4299466), (10, 2149733), (47, 457390), (53, 405610), (94, 228695), (106, 202805), (235, 91478), (265, 81122), (470, 45739), (530, 40561), (863, 24910), (1726, 12455), (2491, 8630), (4315, 4982)]