21266966

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4703}}^1$

素因数の和:4748

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 19375594

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4703, 9406, 32921, 65842, 79951, 89357, 159902, 178714, 559657, 625499, 1119314, 1250998, 1519069, 3038138, 10633483, 21266966]

約数ペア:

[(1, 21266966), (2, 10633483), (7, 3038138), (14, 1519069), (17, 1250998), (19, 1119314), (34, 625499), (38, 559657), (119, 178714), (133, 159902), (238, 89357), (266, 79951), (323, 65842), (646, 32921), (2261, 9406), (4522, 4703)]