210814420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{64667}}^1$

素因数の和:64839

約数の個数: 24

約数和(自身を含む): 445433184

約数和(自身を除く): 234618764

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 64667, 129334, 258668, 323335, 646670, 1293340, 10540721, 21081442, 42162884, 52703605, 105407210, 210814420]

約数ペア:

[(1, 210814420), (2, 105407210), (4, 52703605), (5, 42162884), (10, 21081442), (20, 10540721), (163, 1293340), (326, 646670), (652, 323335), (815, 258668), (1630, 129334), (3260, 64667)]