21356551699

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{88801}}^1$

素因数の和:88915

約数の個数: 32

約数和(自身を含む): 27007174656

約数和(自身を除く): 5650622957

約数列:

[1, 7, 17, 43, 47, 119, 301, 329, 731, 799, 2021, 5117, 5593, 14147, 34357, 88801, 240499, 621607, 1509617, 3818443, 4173647, 10567319, 26729101, 29215529, 64913531, 70951999, 179466821, 454394717, 496663993, 1256267747, 3050935957, 21356551699]

約数ペア:

[(1, 21356551699), (7, 3050935957), (17, 1256267747), (43, 496663993), (47, 454394717), (119, 179466821), (301, 70951999), (329, 64913531), (731, 29215529), (799, 26729101), (2021, 10567319), (5117, 4173647), (5593, 3818443), (14147, 1509617), (34357, 621607), (88801, 240499)]