21210780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1049}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 59623200

約数和(自身を除く): 38412420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 1011, 1049, 1348, 1685, 2022, 2098, 3147, 3370, 4044, 4196, 5055, 5245, 6294, 6740, 10110, 10490, 12588, 15735, 20220, 20980, 31470, 62940, 353513, 707026, 1060539, 1414052, 1767565, 2121078, 3535130, 4242156, 5302695, 7070260, 10605390, 21210780]

約数ペア:

[(1, 21210780), (2, 10605390), (3, 7070260), (4, 5302695), (5, 4242156), (6, 3535130), (10, 2121078), (12, 1767565), (15, 1414052), (20, 1060539), (30, 707026), (60, 353513), (337, 62940), (674, 31470), (1011, 20980), (1049, 20220), (1348, 15735), (1685, 12588), (2022, 10490), (2098, 10110), (3147, 6740), (3370, 6294), (4044, 5245), (4196, 5055)]