21097712

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3673}}^1$

素因数の和:4040

約数の個数: 20

約数和(自身を含む): 41001840

約数和(自身を除く): 19904128

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3673, 5744, 7346, 14692, 29384, 58768, 1318607, 2637214, 5274428, 10548856, 21097712]

約数ペア:

[(1, 21097712), (2, 10548856), (4, 5274428), (8, 2637214), (16, 1318607), (359, 58768), (718, 29384), (1436, 14692), (2872, 7346), (3673, 5744)]