21533490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21751}}^1$

素因数の和:21775

約数の個数: 48

約数和(自身を含む): 61079616

約数和(自身を除く): 39546126

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21751, 43502, 65253, 108755, 130506, 195759, 217510, 239261, 326265, 391518, 478522, 652530, 717783, 978795, 1196305, 1435566, 1957590, 2153349, 2392610, 3588915, 4306698, 7177830, 10766745, 21533490]

約数ペア:

[(1, 21533490), (2, 10766745), (3, 7177830), (5, 4306698), (6, 3588915), (9, 2392610), (10, 2153349), (11, 1957590), (15, 1435566), (18, 1196305), (22, 978795), (30, 717783), (33, 652530), (45, 478522), (55, 391518), (66, 326265), (90, 239261), (99, 217510), (110, 195759), (165, 130506), (198, 108755), (330, 65253), (495, 43502), (990, 21751)]