21942575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 29331456

約数和(自身を除く): 7388881

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 1231, 3565, 6155, 17825, 28313, 30775, 38161, 141565, 190805, 707825, 877703, 954025, 4388515, 21942575]

約数ペア:

[(1, 21942575), (5, 4388515), (23, 954025), (25, 877703), (31, 707825), (115, 190805), (155, 141565), (575, 38161), (713, 30775), (775, 28313), (1231, 17825), (3565, 6155)]