21873166

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17294834

約数列:

[1, 2, 7, 14, 31, 62, 101, 202, 217, 434, 499, 707, 998, 1414, 3131, 3493, 6262, 6986, 15469, 21917, 30938, 43834, 50399, 100798, 108283, 216566, 352793, 705586, 1562369, 3124738, 10936583, 21873166]

約数ペア:

[(1, 21873166), (2, 10936583), (7, 3124738), (14, 1562369), (31, 705586), (62, 352793), (101, 216566), (202, 108283), (217, 100798), (434, 50399), (499, 43834), (707, 30938), (998, 21917), (1414, 15469), (3131, 6986), (3493, 6262)]