21165092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2131}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 40115712

約数和(自身を除く): 18950620

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 2131, 2483, 4262, 4966, 8524, 9932, 27703, 55406, 110812, 407021, 814042, 1628084, 5291273, 10582546, 21165092]

約数ペア:

[(1, 21165092), (2, 10582546), (4, 5291273), (13, 1628084), (26, 814042), (52, 407021), (191, 110812), (382, 55406), (764, 27703), (2131, 9932), (2483, 8524), (4262, 4966)]