21130182

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31727}}^1$

素因数の和:31772

約数の個数: 24

約数和(自身を含む): 47020896

約数和(自身を除く): 25890714

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31727, 63454, 95181, 190362, 285543, 571086, 1173899, 2347798, 3521697, 7043394, 10565091, 21130182]

約数ペア:

[(1, 21130182), (2, 10565091), (3, 7043394), (6, 3521697), (9, 2347798), (18, 1173899), (37, 571086), (74, 285543), (111, 190362), (222, 95181), (333, 63454), (666, 31727)]