21835216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{929}}^1$

素因数の和:1063

約数の個数: 40

約数和(自身を含む): 46012680

約数和(自身を除く): 24177464

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 904, 929, 1469, 1808, 1858, 2938, 3716, 5876, 7432, 11752, 12077, 14864, 23504, 24154, 48308, 96616, 104977, 193232, 209954, 419908, 839816, 1364701, 1679632, 2729402, 5458804, 10917608, 21835216]

約数ペア:

[(1, 21835216), (2, 10917608), (4, 5458804), (8, 2729402), (13, 1679632), (16, 1364701), (26, 839816), (52, 419908), (104, 209954), (113, 193232), (208, 104977), (226, 96616), (452, 48308), (904, 24154), (929, 23504), (1469, 14864), (1808, 12077), (1858, 11752), (2938, 7432), (3716, 5876)]