21403804961

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{20089}}^1$

素因数の和:20345

約数の個数: 32

約数和(自身を含む): 27147536640

約数和(自身を除く): 5743731679

約数列:

[1, 7, 11, 77, 101, 137, 707, 959, 1111, 1507, 7777, 10549, 13837, 20089, 96859, 140623, 152207, 220979, 1065449, 1546853, 2028989, 2752193, 14202923, 19265351, 22318879, 30274123, 156232153, 211918861, 277971493, 1945800451, 3057686423, 21403804961]

約数ペア:

[(1, 21403804961), (7, 3057686423), (11, 1945800451), (77, 277971493), (101, 211918861), (137, 156232153), (707, 30274123), (959, 22318879), (1111, 19265351), (1507, 14202923), (7777, 2752193), (10549, 2028989), (13837, 1546853), (20089, 1065449), (96859, 220979), (140623, 152207)]