21887426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 15713854

約数列:

[1, 2, 11, 22, 31, 62, 67, 134, 341, 479, 682, 737, 958, 1474, 2077, 4154, 5269, 10538, 14849, 22847, 29698, 32093, 45694, 64186, 163339, 326678, 353023, 706046, 994883, 1989766, 10943713, 21887426]

約数ペア:

[(1, 21887426), (2, 10943713), (11, 1989766), (22, 994883), (31, 706046), (62, 353023), (67, 326678), (134, 163339), (341, 64186), (479, 45694), (682, 32093), (737, 29698), (958, 22847), (1474, 14849), (2077, 10538), (4154, 5269)]