21000953375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{829}}^1\times {\mathrm{4943}}^1$

素因数の和:5828

約数の個数: 32

約数和(自身を含む): 26886263040

約数和(自身を除く): 5885309665

約数列:

[1, 5, 25, 41, 125, 205, 829, 1025, 4145, 4943, 5125, 20725, 24715, 33989, 103625, 123575, 169945, 202663, 617875, 849725, 1013315, 4097747, 4248625, 5066575, 20488735, 25332875, 102443675, 168007627, 512218375, 840038135, 4200190675, 21000953375]

約数ペア:

[(1, 21000953375), (5, 4200190675), (25, 840038135), (41, 512218375), (125, 168007627), (205, 102443675), (829, 25332875), (1025, 20488735), (4145, 5066575), (4943, 4248625), (5125, 4097747), (20725, 1013315), (24715, 849725), (33989, 617875), (103625, 202663), (123575, 169945)]