21608455450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1019}}^1\times {\mathrm{13681}}^1$

素因数の和:14743

約数の個数: 48

約数和(自身を含む): 41531984640

約数和(自身を除く): 19923529190

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1019, 1550, 2038, 5095, 10190, 13681, 25475, 27362, 31589, 50950, 63178, 68405, 136810, 157945, 315890, 342025, 424111, 684050, 789725, 848222, 1579450, 2120555, 4241110, 10602775, 13940939, 21205550, 27881878, 69704695, 139409390, 348523475, 432169109, 697046950, 864338218, 2160845545, 4321691090, 10804227725, 21608455450]

約数ペア:

[(1, 21608455450), (2, 10804227725), (5, 4321691090), (10, 2160845545), (25, 864338218), (31, 697046950), (50, 432169109), (62, 348523475), (155, 139409390), (310, 69704695), (775, 27881878), (1019, 21205550), (1550, 13940939), (2038, 10602775), (5095, 4241110), (10190, 2120555), (13681, 1579450), (25475, 848222), (27362, 789725), (31589, 684050), (50950, 424111), (63178, 342025), (68405, 315890), (136810, 157945)]