21471510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42101}}^1$

素因数の和:42128

約数の個数: 32

約数和(自身を含む): 54564192

約数和(自身を除く): 33092682

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42101, 84202, 126303, 210505, 252606, 421010, 631515, 715717, 1263030, 1431434, 2147151, 3578585, 4294302, 7157170, 10735755, 21471510]

約数ペア:

[(1, 21471510), (2, 10735755), (3, 7157170), (5, 4294302), (6, 3578585), (10, 2147151), (15, 1431434), (17, 1263030), (30, 715717), (34, 631515), (51, 421010), (85, 252606), (102, 210505), (170, 126303), (255, 84202), (510, 42101)]