21949178

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8233}}^1$

素因数の和:8309

約数の個数: 16

約数和(自身を含む): 34780416

約数和(自身を除く): 12831238

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8233, 16466, 255223, 354019, 510446, 708038, 10974589, 21949178]

約数ペア:

[(1, 21949178), (2, 10974589), (31, 708038), (43, 510446), (62, 354019), (86, 255223), (1333, 16466), (2666, 8233)]