21969850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1531}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 47871936

約数和(自身を除く): 25902086

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 82, 175, 205, 287, 350, 410, 574, 1025, 1435, 1531, 2050, 2870, 3062, 7175, 7655, 10717, 14350, 15310, 21434, 38275, 53585, 62771, 76550, 107170, 125542, 267925, 313855, 439397, 535850, 627710, 878794, 1569275, 2196985, 3138550, 4393970, 10984925, 21969850]

約数ペア:

[(1, 21969850), (2, 10984925), (5, 4393970), (7, 3138550), (10, 2196985), (14, 1569275), (25, 878794), (35, 627710), (41, 535850), (50, 439397), (70, 313855), (82, 267925), (175, 125542), (205, 107170), (287, 76550), (350, 62771), (410, 53585), (574, 38275), (1025, 21434), (1435, 15310), (1531, 14350), (2050, 10717), (2870, 7655), (3062, 7175)]