21843940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13159}}^1$

素因数の和:13251

約数の個数: 24

約数和(自身を含む): 46428480

約数和(自身を除く): 24584540

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 13159, 26318, 52636, 65795, 131590, 263180, 1092197, 2184394, 4368788, 5460985, 10921970, 21843940]

約数ペア:

[(1, 21843940), (2, 10921970), (4, 5460985), (5, 4368788), (10, 2184394), (20, 1092197), (83, 263180), (166, 131590), (332, 65795), (415, 52636), (830, 26318), (1660, 13159)]