21403018

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5113}}^1$

素因数の和:5158

約数の個数: 32

約数和(自身を含む): 41239296

約数和(自身を除く): 19836278

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5113, 10226, 35791, 66469, 71582, 117599, 132938, 235198, 465283, 823193, 930566, 1528787, 1646386, 3057574, 10701509, 21403018]

約数ペア:

[(1, 21403018), (2, 10701509), (7, 3057574), (13, 1646386), (14, 1528787), (23, 930566), (26, 823193), (46, 465283), (91, 235198), (161, 132938), (182, 117599), (299, 71582), (322, 66469), (598, 35791), (2093, 10226), (4186, 5113)]