21948640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19597}}^1$

素因数の和:19619

約数の個数: 48

約数和(自身を含む): 59264352

約数和(自身を除く): 37315712

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, 19597, 39194, 78388, 97985, 137179, 156776, 195970, 274358, 313552, 391940, 548716, 627104, 685895, 783880, 1097432, 1371790, 1567760, 2194864, 2743580, 3135520, 4389728, 5487160, 10974320, 21948640]

約数ペア:

[(1, 21948640), (2, 10974320), (4, 5487160), (5, 4389728), (7, 3135520), (8, 2743580), (10, 2194864), (14, 1567760), (16, 1371790), (20, 1097432), (28, 783880), (32, 685895), (35, 627104), (40, 548716), (56, 391940), (70, 313552), (80, 274358), (112, 195970), (140, 156776), (160, 137179), (224, 97985), (280, 78388), (560, 39194), (1120, 19597)]