21410805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1861}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 37537920

約数和(自身を除く): 16127115

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 177, 195, 295, 767, 885, 1861, 2301, 3835, 5583, 9305, 11505, 24193, 27915, 72579, 109799, 120965, 329397, 362895, 548995, 1427387, 1646985, 4282161, 7136935, 21410805]

約数ペア:

[(1, 21410805), (3, 7136935), (5, 4282161), (13, 1646985), (15, 1427387), (39, 548995), (59, 362895), (65, 329397), (177, 120965), (195, 109799), (295, 72579), (767, 27915), (885, 24193), (1861, 11505), (2301, 9305), (3835, 5583)]