21000507216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33654659}}^1$

素因数の和:33654683

約数の個数: 40

約数和(自身を含む): 58424489760

約数和(自身を除く): 37423982544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33654659, 67309318, 100963977, 134618636, 201927954, 269237272, 403855908, 437510567, 538474544, 807711816, 875021134, 1312531701, 1615423632, 1750042268, 2625063402, 3500084536, 5250126804, 7000169072, 10500253608, 21000507216]

約数ペア:

[(1, 21000507216), (2, 10500253608), (3, 7000169072), (4, 5250126804), (6, 3500084536), (8, 2625063402), (12, 1750042268), (13, 1615423632), (16, 1312531701), (24, 875021134), (26, 807711816), (39, 538474544), (48, 437510567), (52, 403855908), (78, 269237272), (104, 201927954), (156, 134618636), (208, 100963977), (312, 67309318), (624, 33654659)]