21667020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3313}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 61242720

約数和(自身を除く): 39575700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 3313, 6540, 6626, 9939, 13252, 16565, 19878, 33130, 39756, 49695, 66260, 99390, 198780, 361117, 722234, 1083351, 1444468, 1805585, 2166702, 3611170, 4333404, 5416755, 7222340, 10833510, 21667020]

約数ペア:

[(1, 21667020), (2, 10833510), (3, 7222340), (4, 5416755), (5, 4333404), (6, 3611170), (10, 2166702), (12, 1805585), (15, 1444468), (20, 1083351), (30, 722234), (60, 361117), (109, 198780), (218, 99390), (327, 66260), (436, 49695), (545, 39756), (654, 33130), (1090, 19878), (1308, 16565), (1635, 13252), (2180, 9939), (3270, 6626), (3313, 6540)]