21894997

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 24088320

約数和(自身を除く): 2193323

約数列:

[1, 17, 47, 67, 409, 799, 1139, 3149, 6953, 19223, 27403, 53533, 326791, 465851, 1287941, 21894997]

約数ペア:

[(1, 21894997), (17, 1287941), (47, 465851), (67, 326791), (409, 53533), (799, 27403), (1139, 19223), (3149, 6953)]