21261416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{673}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 43675200

約数和(自身を除く): 22413784

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 359, 673, 718, 1346, 1436, 2692, 2872, 3949, 5384, 7403, 7898, 14806, 15796, 29612, 31592, 59224, 241607, 483214, 966428, 1932856, 2657677, 5315354, 10630708, 21261416]

約数ペア:

[(1, 21261416), (2, 10630708), (4, 5315354), (8, 2657677), (11, 1932856), (22, 966428), (44, 483214), (88, 241607), (359, 59224), (673, 31592), (718, 29612), (1346, 15796), (1436, 14806), (2692, 7898), (2872, 7403), (3949, 5384)]