21653596

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1879}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 39374720

約数和(自身を除く): 17721124

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1879, 2881, 3758, 5762, 7516, 11524, 80797, 125893, 161594, 251786, 323188, 503572, 5413399, 10826798, 21653596]

約数ペア:

[(1, 21653596), (2, 10826798), (4, 5413399), (43, 503572), (67, 323188), (86, 251786), (134, 161594), (172, 125893), (268, 80797), (1879, 11524), (2881, 7516), (3758, 5762)]