21348327

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7143

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 16875033

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 7109, 21327, 49763, 78199, 92417, 149289, 234597, 277251, 547393, 646919, 1016587, 1642179, 1940757, 3049761, 7116109, 21348327]

約数ペア:

[(1, 21348327), (3, 7116109), (7, 3049761), (11, 1940757), (13, 1642179), (21, 1016587), (33, 646919), (39, 547393), (77, 277251), (91, 234597), (143, 149289), (231, 92417), (273, 78199), (429, 49763), (1001, 21327), (3003, 7109)]