21732830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4253}}^1$

素因数の和:4340

約数の個数: 32

約数和(自身を含む): 45330624

約数和(自身を除く): 23597794

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 4253, 5110, 8506, 21265, 29771, 42530, 59542, 148855, 297710, 310469, 620938, 1552345, 2173283, 3104690, 4346566, 10866415, 21732830]

約数ペア:

[(1, 21732830), (2, 10866415), (5, 4346566), (7, 3104690), (10, 2173283), (14, 1552345), (35, 620938), (70, 310469), (73, 297710), (146, 148855), (365, 59542), (511, 42530), (730, 29771), (1022, 21265), (2555, 8506), (4253, 5110)]