21085470

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33469}}^1$

素因数の和:33489

約数の個数: 48

約数和(自身を含む): 62655840

約数和(自身を除く): 41570370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33469, 66938, 100407, 167345, 200814, 234283, 301221, 334690, 468566, 502035, 602442, 702849, 1004070, 1171415, 1405698, 1506105, 2108547, 2342830, 3012210, 3514245, 4217094, 7028490, 10542735, 21085470]

約数ペア:

[(1, 21085470), (2, 10542735), (3, 7028490), (5, 4217094), (6, 3514245), (7, 3012210), (9, 2342830), (10, 2108547), (14, 1506105), (15, 1405698), (18, 1171415), (21, 1004070), (30, 702849), (35, 602442), (42, 502035), (45, 468566), (63, 334690), (70, 301221), (90, 234283), (105, 200814), (126, 167345), (210, 100407), (315, 66938), (630, 33469)]