21766338

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 51790752

約数和(自身を除く): 30024414

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 211, 422, 521, 633, 1042, 1266, 1563, 1899, 2321, 3126, 3798, 4642, 4689, 5731, 6963, 9378, 11462, 13926, 17193, 20889, 34386, 41778, 51579, 103158, 109931, 219862, 329793, 659586, 989379, 1209241, 1978758, 2418482, 3627723, 7255446, 10883169, 21766338]

約数ペア:

[(1, 21766338), (2, 10883169), (3, 7255446), (6, 3627723), (9, 2418482), (11, 1978758), (18, 1209241), (22, 989379), (33, 659586), (66, 329793), (99, 219862), (198, 109931), (211, 103158), (422, 51579), (521, 41778), (633, 34386), (1042, 20889), (1266, 17193), (1563, 13926), (1899, 11462), (2321, 9378), (3126, 6963), (3798, 5731), (4642, 4689)]