21637154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 40867200

約数和(自身を除く): 19230046

約数列:

[1, 2, 7, 11, 14, 22, 77, 109, 154, 218, 763, 1199, 1289, 1526, 2398, 2578, 8393, 9023, 14179, 16786, 18046, 28358, 99253, 140501, 198506, 281002, 983507, 1545511, 1967014, 3091022, 10818577, 21637154]

約数ペア:

[(1, 21637154), (2, 10818577), (7, 3091022), (11, 1967014), (14, 1545511), (22, 983507), (77, 281002), (109, 198506), (154, 140501), (218, 99253), (763, 28358), (1199, 18046), (1289, 16786), (1526, 14179), (2398, 9023), (2578, 8393)]