21529718

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12923}}^1$

素因数の和:12956

約数の個数: 24

約数和(自身を含む): 39780072

約数和(自身を除く): 18250354

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12923, 25846, 90461, 180922, 219691, 439382, 633227, 1266454, 1537837, 3075674, 10764859, 21529718]

約数ペア:

[(1, 21529718), (2, 10764859), (7, 3075674), (14, 1537837), (17, 1266454), (34, 633227), (49, 439382), (98, 219691), (119, 180922), (238, 90461), (833, 25846), (1666, 12923)]