21574870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 41407200

約数和(自身を除く): 19832330

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 179, 358, 709, 895, 1418, 1790, 3043, 3545, 6086, 7090, 12053, 15215, 24106, 30430, 60265, 120530, 126911, 253822, 634555, 1269110, 2157487, 4314974, 10787435, 21574870]

約数ペア:

[(1, 21574870), (2, 10787435), (5, 4314974), (10, 2157487), (17, 1269110), (34, 634555), (85, 253822), (170, 126911), (179, 120530), (358, 60265), (709, 30430), (895, 24106), (1418, 15215), (1790, 12053), (3043, 7090), (3545, 6086)]