19821711

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4271}}^1$

素因数の和:4311

約数の個数: 32

約数和(自身を含む): 34449408

約数和(自身を除く): 14627697

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4271, 4641, 12813, 29897, 55523, 72607, 89691, 166569, 217821, 388661, 508249, 943891, 1165983, 1524747, 2831673, 6607237, 19821711]

約数ペア:

[(1, 19821711), (3, 6607237), (7, 2831673), (13, 1524747), (17, 1165983), (21, 943891), (39, 508249), (51, 388661), (91, 217821), (119, 166569), (221, 89691), (273, 72607), (357, 55523), (663, 29897), (1547, 12813), (4271, 4641)]