21911460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3413}}^1$

素因数の和:3532

約数の個数: 48

約数和(自身を含む): 61943616

約数和(自身を除く): 40032156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 3413, 6420, 6826, 10239, 13652, 17065, 20478, 34130, 40956, 51195, 68260, 102390, 204780, 365191, 730382, 1095573, 1460764, 1825955, 2191146, 3651910, 4382292, 5477865, 7303820, 10955730, 21911460]

約数ペア:

[(1, 21911460), (2, 10955730), (3, 7303820), (4, 5477865), (5, 4382292), (6, 3651910), (10, 2191146), (12, 1825955), (15, 1460764), (20, 1095573), (30, 730382), (60, 365191), (107, 204780), (214, 102390), (321, 68260), (428, 51195), (535, 40956), (642, 34130), (1070, 20478), (1284, 17065), (1605, 13652), (2140, 10239), (3210, 6826), (3413, 6420)]