21841028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12107}}^1$

素因数の和:12163

約数の個数: 24

約数和(自身を含む): 42717024

約数和(自身を除く): 20875996

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 12107, 24214, 48428, 133177, 266354, 496387, 532708, 992774, 1985548, 5460257, 10920514, 21841028]

約数ペア:

[(1, 21841028), (2, 10920514), (4, 5460257), (11, 1985548), (22, 992774), (41, 532708), (44, 496387), (82, 266354), (164, 133177), (451, 48428), (902, 24214), (1804, 12107)]