21955466

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3821}}^1$

素因数の和:3866

約数の個数: 24

約数和(自身を含む): 37769004

約数和(自身を除く): 15813538

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 3821, 5746, 7642, 49673, 64957, 99346, 129914, 645749, 844441, 1291498, 1688882, 10977733, 21955466]

約数ペア:

[(1, 21955466), (2, 10977733), (13, 1688882), (17, 1291498), (26, 844441), (34, 645749), (169, 129914), (221, 99346), (338, 64957), (442, 49673), (2873, 7642), (3821, 5746)]