21316694

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 37646400

約数和(自身を除く): 16329706

約数列:

[1, 2, 7, 14, 61, 109, 122, 218, 229, 427, 458, 763, 854, 1526, 1603, 3206, 6649, 13298, 13969, 24961, 27938, 46543, 49922, 93086, 97783, 174727, 195566, 349454, 1522621, 3045242, 10658347, 21316694]

約数ペア:

[(1, 21316694), (2, 10658347), (7, 3045242), (14, 1522621), (61, 349454), (109, 195566), (122, 174727), (218, 97783), (229, 93086), (427, 49922), (458, 46543), (763, 27938), (854, 24961), (1526, 13969), (1603, 13298), (3206, 6649)]