21659666

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{13001}}^1$

素因数の和:13034

約数の個数: 24

約数和(自身を含む): 40020156

約数和(自身を除く): 18360490

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 13001, 26002, 91007, 182014, 221017, 442034, 637049, 1274098, 1547119, 3094238, 10829833, 21659666]

約数ペア:

[(1, 21659666), (2, 10829833), (7, 3094238), (14, 1547119), (17, 1274098), (34, 637049), (49, 442034), (98, 221017), (119, 182014), (238, 91007), (833, 26002), (1666, 13001)]