21154709307

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{23039}}^1$

素因数の和:23331

約数の個数: 32

約数和(自身を含む): 30191616000

約数和(自身を除く): 9036906693

約数列:

[1, 3, 19, 57, 89, 181, 267, 543, 1691, 3439, 5073, 10317, 16109, 23039, 48327, 69117, 306071, 437741, 918213, 1313223, 2050471, 4170059, 6151413, 12510177, 38958949, 79231121, 116876847, 237693363, 371135251, 1113405753, 7051569769, 21154709307]

約数ペア:

[(1, 21154709307), (3, 7051569769), (19, 1113405753), (57, 371135251), (89, 237693363), (181, 116876847), (267, 79231121), (543, 38958949), (1691, 12510177), (3439, 6151413), (5073, 4170059), (10317, 2050471), (16109, 1313223), (23039, 918213), (48327, 437741), (69117, 306071)]