21945716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6299}}^1$

素因数の和:6383

約数の個数: 24

約数和(自身を含む): 41983200

約数和(自身を除く): 20037484

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 6299, 12598, 25196, 81887, 163774, 327548, 422033, 844066, 1688132, 5486429, 10972858, 21945716]

約数ペア:

[(1, 21945716), (2, 10972858), (4, 5486429), (13, 1688132), (26, 844066), (52, 422033), (67, 327548), (134, 163774), (268, 81887), (871, 25196), (1742, 12598), (3484, 6299)]