21753010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 41306112

約数和(自身を除く): 19553102

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 155, 235, 310, 470, 1457, 1493, 2914, 2986, 7285, 7465, 14570, 14930, 46283, 70171, 92566, 140342, 231415, 350855, 462830, 701710, 2175301, 4350602, 10876505, 21753010]

約数ペア:

[(1, 21753010), (2, 10876505), (5, 4350602), (10, 2175301), (31, 701710), (47, 462830), (62, 350855), (94, 231415), (155, 140342), (235, 92566), (310, 70171), (470, 46283), (1457, 14930), (1493, 14570), (2914, 7465), (2986, 7285)]