21455476

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26423}}^1$

素因数の和:26463

約数の個数: 24

約数和(自身を含む): 44392320

約数和(自身を除く): 22936844

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26423, 52846, 105692, 184961, 369922, 739844, 766267, 1532534, 3065068, 5363869, 10727738, 21455476]

約数ペア:

[(1, 21455476), (2, 10727738), (4, 5363869), (7, 3065068), (14, 1532534), (28, 766267), (29, 739844), (58, 369922), (116, 184961), (203, 105692), (406, 52846), (812, 26423)]