21939128672

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12935807}}^1$

素因数の和:12935870

約数の個数: 24

約数和(自身を含む): 44007618816

約数和(自身を除く): 22068490144

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12935807, 25871614, 51743228, 103486456, 206972912, 413945824, 685597771, 1371195542, 2742391084, 5484782168, 10969564336, 21939128672]

約数ペア:

[(1, 21939128672), (2, 10969564336), (4, 5484782168), (8, 2742391084), (16, 1371195542), (32, 685597771), (53, 413945824), (106, 206972912), (212, 103486456), (424, 51743228), (848, 25871614), (1696, 12935807)]