21462560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19163}}^1$

素因数の和:19185

約数の個数: 48

約数和(自身を含む): 57951936

約数和(自身を除く): 36489376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19163, 38326, 76652, 95815, 134141, 153304, 191630, 268282, 306608, 383260, 536564, 613216, 670705, 766520, 1073128, 1341410, 1533040, 2146256, 2682820, 3066080, 4292512, 5365640, 10731280, 21462560]

約数ペア:

[(1, 21462560), (2, 10731280), (4, 5365640), (5, 4292512), (7, 3066080), (8, 2682820), (10, 2146256), (14, 1533040), (16, 1341410), (20, 1073128), (28, 766520), (32, 670705), (35, 613216), (40, 536564), (56, 383260), (70, 306608), (80, 268282), (112, 191630), (140, 153304), (160, 134141), (224, 95815), (280, 76652), (560, 38326), (1120, 19163)]