21252670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 18560450

約数列:

[1, 2, 5, 10, 31, 62, 155, 179, 310, 358, 383, 766, 895, 1790, 1915, 3830, 5549, 11098, 11873, 23746, 27745, 55490, 59365, 68557, 118730, 137114, 342785, 685570, 2125267, 4250534, 10626335, 21252670]

約数ペア:

[(1, 21252670), (2, 10626335), (5, 4250534), (10, 2125267), (31, 685570), (62, 342785), (155, 137114), (179, 118730), (310, 68557), (358, 59365), (383, 55490), (766, 27745), (895, 23746), (1790, 11873), (1915, 11098), (3830, 5549)]