21737610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1783

約数の個数: 48

約数和(自身を含む): 56932200

約数和(自身を除く): 35194590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 447, 745, 894, 1341, 1490, 1621, 2235, 2682, 3242, 4470, 4863, 6705, 8105, 9726, 13410, 14589, 16210, 24315, 29178, 48630, 72945, 145890, 241529, 483058, 724587, 1207645, 1449174, 2173761, 2415290, 3622935, 4347522, 7245870, 10868805, 21737610]

約数ペア:

[(1, 21737610), (2, 10868805), (3, 7245870), (5, 4347522), (6, 3622935), (9, 2415290), (10, 2173761), (15, 1449174), (18, 1207645), (30, 724587), (45, 483058), (90, 241529), (149, 145890), (298, 72945), (447, 48630), (745, 29178), (894, 24315), (1341, 16210), (1490, 14589), (1621, 13410), (2235, 9726), (2682, 8105), (3242, 6705), (4470, 4863)]