21270468

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 53028864

約数和(自身を除く): 31758396

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 127, 204, 254, 381, 508, 762, 821, 1524, 1642, 2159, 2463, 3284, 4318, 4926, 6477, 8636, 9852, 12954, 13957, 25908, 27914, 41871, 55828, 83742, 104267, 167484, 208534, 312801, 417068, 625602, 1251204, 1772539, 3545078, 5317617, 7090156, 10635234, 21270468]

約数ペア:

[(1, 21270468), (2, 10635234), (3, 7090156), (4, 5317617), (6, 3545078), (12, 1772539), (17, 1251204), (34, 625602), (51, 417068), (68, 312801), (102, 208534), (127, 167484), (204, 104267), (254, 83742), (381, 55828), (508, 41871), (762, 27914), (821, 25908), (1524, 13957), (1642, 12954), (2159, 9852), (2463, 8636), (3284, 6477), (4318, 4926)]