21265321588

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2103811}}^1$

素因数の和:2103860

約数の個数: 36

約数和(自身を含む): 44886932832

約数和(自身を除く): 23621611244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 2103811, 4207622, 8415244, 14726677, 29453354, 39972409, 58906708, 79944818, 159889636, 279806863, 559613726, 759475771, 1119227452, 1518951542, 3037903084, 5316330397, 10632660794, 21265321588]

約数ペア:

[(1, 21265321588), (2, 10632660794), (4, 5316330397), (7, 3037903084), (14, 1518951542), (19, 1119227452), (28, 759475771), (38, 559613726), (76, 279806863), (133, 159889636), (266, 79944818), (361, 58906708), (532, 39972409), (722, 29453354), (1444, 14726677), (2527, 8415244), (5054, 4207622), (10108, 2103811)]