21581024

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39671}}^1$

素因数の和:39698

約数の個数: 24

約数和(自身を含む): 44988048

約数和(自身を除く): 23407024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39671, 79342, 158684, 317368, 634736, 674407, 1269472, 1348814, 2697628, 5395256, 10790512, 21581024]

約数ペア:

[(1, 21581024), (2, 10790512), (4, 5395256), (8, 2697628), (16, 1348814), (17, 1269472), (32, 674407), (34, 634736), (68, 317368), (136, 158684), (272, 79342), (544, 39671)]