21812324

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 39285120

約数和(自身を除く): 17472796

約数列:

[1, 2, 4, 47, 94, 157, 188, 314, 628, 739, 1478, 2956, 7379, 14758, 29516, 34733, 69466, 116023, 138932, 232046, 464092, 5453081, 10906162, 21812324]

約数ペア:

[(1, 21812324), (2, 10906162), (4, 5453081), (47, 464092), (94, 232046), (157, 138932), (188, 116023), (314, 69466), (628, 34733), (739, 29516), (1478, 14758), (2956, 7379)]