21026430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 54918864

約数和(自身を除く): 33892434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 307, 614, 761, 921, 1522, 1535, 1842, 2283, 2763, 3070, 3805, 4566, 4605, 5526, 6849, 7610, 9210, 11415, 13698, 13815, 22830, 27630, 34245, 68490, 233627, 467254, 700881, 1168135, 1401762, 2102643, 2336270, 3504405, 4205286, 7008810, 10513215, 21026430]

約数ペア:

[(1, 21026430), (2, 10513215), (3, 7008810), (5, 4205286), (6, 3504405), (9, 2336270), (10, 2102643), (15, 1401762), (18, 1168135), (30, 700881), (45, 467254), (90, 233627), (307, 68490), (614, 34245), (761, 27630), (921, 22830), (1522, 13815), (1535, 13698), (1842, 11415), (2283, 9210), (2763, 7610), (3070, 6849), (3805, 5526), (4566, 4605)]