21710940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1553}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 61090848

約数和(自身を除く): 39379908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 233, 466, 699, 932, 1165, 1398, 1553, 2330, 2796, 3106, 3495, 4659, 4660, 6212, 6990, 7765, 9318, 13980, 15530, 18636, 23295, 31060, 46590, 93180, 361849, 723698, 1085547, 1447396, 1809245, 2171094, 3618490, 4342188, 5427735, 7236980, 10855470, 21710940]

約数ペア:

[(1, 21710940), (2, 10855470), (3, 7236980), (4, 5427735), (5, 4342188), (6, 3618490), (10, 2171094), (12, 1809245), (15, 1447396), (20, 1085547), (30, 723698), (60, 361849), (233, 93180), (466, 46590), (699, 31060), (932, 23295), (1165, 18636), (1398, 15530), (1553, 13980), (2330, 9318), (2796, 7765), (3106, 6990), (3495, 6212), (4659, 4660)]