21386124

素因数分解:

$2^2\times 3^2\times {\mathrm{227}}^1\times {\mathrm{2617}}^1$

素因数の和:2854

約数の個数: 36

約数和(自身を含む): 54318264

約数和(自身を除く): 32932140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 227, 454, 681, 908, 1362, 2043, 2617, 2724, 4086, 5234, 7851, 8172, 10468, 15702, 23553, 31404, 47106, 94212, 594059, 1188118, 1782177, 2376236, 3564354, 5346531, 7128708, 10693062, 21386124]

約数ペア:

[(1, 21386124), (2, 10693062), (3, 7128708), (4, 5346531), (6, 3564354), (9, 2376236), (12, 1782177), (18, 1188118), (36, 594059), (227, 94212), (454, 47106), (681, 31404), (908, 23553), (1362, 15702), (2043, 10468), (2617, 8172), (2724, 7851), (4086, 5234)]