21746872

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12527}}^1$

素因数の和:12571

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 26360648

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12527, 25054, 50108, 87689, 100216, 175378, 350756, 388337, 701512, 776674, 1553348, 2718359, 3106696, 5436718, 10873436, 21746872]

約数ペア:

[(1, 21746872), (2, 10873436), (4, 5436718), (7, 3106696), (8, 2718359), (14, 1553348), (28, 776674), (31, 701512), (56, 388337), (62, 350756), (124, 175378), (217, 100216), (248, 87689), (434, 50108), (868, 25054), (1736, 12527)]