21263490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{236261}}^1$

素因数の和:236274

約数の個数: 24

約数和(自身を含む): 55285308

約数和(自身を除く): 34021818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 236261, 472522, 708783, 1181305, 1417566, 2126349, 2362610, 3543915, 4252698, 7087830, 10631745, 21263490]

約数ペア:

[(1, 21263490), (2, 10631745), (3, 7087830), (5, 4252698), (6, 3543915), (9, 2362610), (10, 2126349), (15, 1417566), (18, 1181305), (30, 708783), (45, 472522), (90, 236261)]