21872209828

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1\times {\mathrm{44819}}^1$

素因数の和:45460

約数の個数: 48

約数和(自身を含む): 45329155200

約数和(自身を除く): 23456945372

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 601, 812, 1202, 2404, 4207, 8414, 16828, 17429, 34858, 44819, 69716, 89638, 122003, 179276, 244006, 313733, 488012, 627466, 1254932, 1299751, 2599502, 5199004, 9098257, 18196514, 26936219, 36393028, 53872438, 107744876, 188553533, 377107066, 754214132, 781150351, 1562300702, 3124601404, 5468052457, 10936104914, 21872209828]

約数ペア:

[(1, 21872209828), (2, 10936104914), (4, 5468052457), (7, 3124601404), (14, 1562300702), (28, 781150351), (29, 754214132), (58, 377107066), (116, 188553533), (203, 107744876), (406, 53872438), (601, 36393028), (812, 26936219), (1202, 18196514), (2404, 9098257), (4207, 5199004), (8414, 2599502), (16828, 1299751), (17429, 1254932), (34858, 627466), (44819, 488012), (69716, 313733), (89638, 244006), (122003, 179276)]