21707075216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{3583}}^1\times {\mathrm{4793}}^1$

素因数の和:8463

約数の個数: 40

約数和(自身を含む): 42610606080

約数和(自身を除く): 20903530864

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 3583, 4793, 7166, 9586, 14332, 19172, 28664, 38344, 57328, 76688, 283057, 378647, 566114, 757294, 1132228, 1514588, 2264456, 3029176, 4528912, 6058352, 17173319, 34346638, 68693276, 137386552, 274773104, 1356692201, 2713384402, 5426768804, 10853537608, 21707075216]

約数ペア:

[(1, 21707075216), (2, 10853537608), (4, 5426768804), (8, 2713384402), (16, 1356692201), (79, 274773104), (158, 137386552), (316, 68693276), (632, 34346638), (1264, 17173319), (3583, 6058352), (4793, 4528912), (7166, 3029176), (9586, 2264456), (14332, 1514588), (19172, 1132228), (28664, 757294), (38344, 566114), (57328, 378647), (76688, 283057)]