21139806

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9011}}^1$

素因数の和:9056

約数の個数: 32

約数和(自身を含む): 46718208

約数和(自身を除く): 25578402

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 9011, 18022, 27033, 54066, 153187, 207253, 306374, 414506, 459561, 621759, 919122, 1243518, 3523301, 7046602, 10569903, 21139806]

約数ペア:

[(1, 21139806), (2, 10569903), (3, 7046602), (6, 3523301), (17, 1243518), (23, 919122), (34, 621759), (46, 459561), (51, 414506), (69, 306374), (102, 207253), (138, 153187), (391, 54066), (782, 27033), (1173, 18022), (2346, 9011)]