21472147

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 23283360

約数和(自身を除く): 1811213

約数列:

[1, 19, 73, 113, 137, 1387, 2147, 2603, 8249, 10001, 15481, 156731, 190019, 294139, 1130113, 21472147]

約数ペア:

[(1, 21472147), (19, 1130113), (73, 294139), (113, 190019), (137, 156731), (1387, 15481), (2147, 10001), (2603, 8249)]