21298530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 56204928

約数和(自身を除く): 34906398

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 233, 277, 330, 466, 554, 699, 831, 1165, 1385, 1398, 1662, 2330, 2563, 2770, 3047, 3495, 4155, 5126, 6094, 6990, 7689, 8310, 9141, 12815, 15235, 15378, 18282, 25630, 30470, 38445, 45705, 64541, 76890, 91410, 129082, 193623, 322705, 387246, 645410, 709951, 968115, 1419902, 1936230, 2129853, 3549755, 4259706, 7099510, 10649265, 21298530]

約数ペア:

[(1, 21298530), (2, 10649265), (3, 7099510), (5, 4259706), (6, 3549755), (10, 2129853), (11, 1936230), (15, 1419902), (22, 968115), (30, 709951), (33, 645410), (55, 387246), (66, 322705), (110, 193623), (165, 129082), (233, 91410), (277, 76890), (330, 64541), (466, 45705), (554, 38445), (699, 30470), (831, 25630), (1165, 18282), (1385, 15378), (1398, 15235), (1662, 12815), (2330, 9141), (2563, 8310), (2770, 7689), (3047, 6990), (3495, 6094), (4155, 5126)]