21075935

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1399}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 5535265

約数列:

[1, 5, 23, 115, 131, 655, 1399, 3013, 6995, 15065, 32177, 160885, 183269, 916345, 4215187, 21075935]

約数ペア:

[(1, 21075935), (5, 4215187), (23, 916345), (115, 183269), (131, 160885), (655, 32177), (1399, 15065), (3013, 6995)]