21631842874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{67777}}^1$

素因数の和:68062

約数の個数: 32

約数和(自身を含む): 35233715520

約数和(自身を除く): 13601872646

約数列:

[1, 2, 19, 37, 38, 74, 227, 454, 703, 1406, 4313, 8399, 8626, 16798, 67777, 135554, 159581, 319162, 1287763, 2507749, 2575526, 5015498, 15385379, 30770758, 47647231, 95294462, 292322201, 569259023, 584644402, 1138518046, 10815921437, 21631842874]

約数ペア:

[(1, 21631842874), (2, 10815921437), (19, 1138518046), (37, 584644402), (38, 569259023), (74, 292322201), (227, 95294462), (454, 47647231), (703, 30770758), (1406, 15385379), (4313, 5015498), (8399, 2575526), (8626, 2507749), (16798, 1287763), (67777, 319162), (135554, 159581)]