21874223

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3911}}^1$

素因数の和:3982

約数の個数: 16

約数和(自身を含む): 27039744

約数和(自身を除く): 5165521

約数列:

[1, 7, 17, 47, 119, 329, 799, 3911, 5593, 27377, 66487, 183817, 465409, 1286719, 3124889, 21874223]

約数ペア:

[(1, 21874223), (7, 3124889), (17, 1286719), (47, 465409), (119, 183817), (329, 66487), (799, 27377), (3911, 5593)]