21560128

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10867}}^1$

素因数の和:10910

約数の個数: 28

約数和(自身を含む): 44167552

約数和(自身を除く): 22607424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10867, 21734, 43468, 86936, 173872, 336877, 347744, 673754, 695488, 1347508, 2695016, 5390032, 10780064, 21560128]

約数ペア:

[(1, 21560128), (2, 10780064), (4, 5390032), (8, 2695016), (16, 1347508), (31, 695488), (32, 673754), (62, 347744), (64, 336877), (124, 173872), (248, 86936), (496, 43468), (992, 21734), (1984, 10867)]