21578028

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15913}}^1$

素因数の和:16033

約数の個数: 24

約数和(自身を含む): 50797488

約数和(自身を除く): 29219460

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15913, 31826, 47739, 63652, 95478, 190956, 1798169, 3596338, 5394507, 7192676, 10789014, 21578028]

約数ペア:

[(1, 21578028), (2, 10789014), (3, 7192676), (4, 5394507), (6, 3596338), (12, 1798169), (113, 190956), (226, 95478), (339, 63652), (452, 47739), (678, 31826), (1356, 15913)]