21947057665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1213}}^1\times {\mathrm{1609}}^1$

素因数の和:3013

約数の個数: 32

約数和(自身を含む): 28567556640

約数和(自身を除く): 6620498975

約数列:

[1, 5, 13, 65, 173, 865, 1213, 1609, 2249, 6065, 8045, 11245, 15769, 20917, 78845, 104585, 209849, 278357, 1049245, 1391785, 1951717, 2728037, 3618641, 9758585, 13640185, 18093205, 25372321, 126861605, 337647041, 1688235205, 4389411533, 21947057665]

約数ペア:

[(1, 21947057665), (5, 4389411533), (13, 1688235205), (65, 337647041), (173, 126861605), (865, 25372321), (1213, 18093205), (1609, 13640185), (2249, 9758585), (6065, 3618641), (8045, 2728037), (11245, 1951717), (15769, 1391785), (20917, 1049245), (78845, 278357), (104585, 209849)]