21092806

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 16116794

約数列:

[1, 2, 7, 14, 67, 113, 134, 199, 226, 398, 469, 791, 938, 1393, 1582, 2786, 7571, 13333, 15142, 22487, 26666, 44974, 52997, 93331, 105994, 157409, 186662, 314818, 1506629, 3013258, 10546403, 21092806]

約数ペア:

[(1, 21092806), (2, 10546403), (7, 3013258), (14, 1506629), (67, 314818), (113, 186662), (134, 157409), (199, 105994), (226, 93331), (398, 52997), (469, 44974), (791, 26666), (938, 22487), (1393, 15142), (1582, 13333), (2786, 7571)]