21154630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 47744640

約数和(自身を除く): 26590010

約数列:

[1, 2, 5, 7, 10, 14, 17, 29, 34, 35, 58, 70, 85, 119, 145, 170, 203, 238, 290, 406, 493, 595, 613, 986, 1015, 1190, 1226, 2030, 2465, 3065, 3451, 4291, 4930, 6130, 6902, 8582, 10421, 17255, 17777, 20842, 21455, 34510, 35554, 42910, 52105, 72947, 88885, 104210, 124439, 145894, 177770, 248878, 302209, 364735, 604418, 622195, 729470, 1244390, 1511045, 2115463, 3022090, 4230926, 10577315, 21154630]

約数ペア:

[(1, 21154630), (2, 10577315), (5, 4230926), (7, 3022090), (10, 2115463), (14, 1511045), (17, 1244390), (29, 729470), (34, 622195), (35, 604418), (58, 364735), (70, 302209), (85, 248878), (119, 177770), (145, 145894), (170, 124439), (203, 104210), (238, 88885), (290, 72947), (406, 52105), (493, 42910), (595, 35554), (613, 34510), (986, 21455), (1015, 20842), (1190, 17777), (1226, 17255), (2030, 10421), (2465, 8582), (3065, 6902), (3451, 6130), (4291, 4930)]