21872124

素因数分解:

$2^2\times 3^2\times {\mathrm{751}}^1\times {\mathrm{809}}^1$

素因数の和:1570

約数の個数: 36

約数和(自身を含む): 55429920

約数和(自身を除く): 33557796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 751, 809, 1502, 1618, 2253, 2427, 3004, 3236, 4506, 4854, 6759, 7281, 9012, 9708, 13518, 14562, 27036, 29124, 607559, 1215118, 1822677, 2430236, 3645354, 5468031, 7290708, 10936062, 21872124]

約数ペア:

[(1, 21872124), (2, 10936062), (3, 7290708), (4, 5468031), (6, 3645354), (9, 2430236), (12, 1822677), (18, 1215118), (36, 607559), (751, 29124), (809, 27036), (1502, 14562), (1618, 13518), (2253, 9708), (2427, 9012), (3004, 7281), (3236, 6759), (4506, 4854)]