21871262

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 39232512

約数和(自身を除く): 17361250

約数列:

[1, 2, 7, 14, 43, 47, 86, 94, 301, 329, 602, 658, 773, 1546, 2021, 4042, 5411, 10822, 14147, 28294, 33239, 36331, 66478, 72662, 232673, 254317, 465346, 508634, 1562233, 3124466, 10935631, 21871262]

約数ペア:

[(1, 21871262), (2, 10935631), (7, 3124466), (14, 1562233), (43, 508634), (47, 465346), (86, 254317), (94, 232673), (301, 72662), (329, 66478), (602, 36331), (658, 33239), (773, 28294), (1546, 14147), (2021, 10822), (4042, 5411)]