21159390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5927}}^1$

素因数の和:5961

約数の個数: 64

約数和(自身を含む): 61461504

約数和(自身を除く): 40302114

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 5927, 11854, 17781, 29635, 35562, 41489, 59270, 82978, 88905, 100759, 124467, 177810, 201518, 207445, 248934, 302277, 414890, 503795, 604554, 622335, 705313, 1007590, 1244670, 1410626, 1511385, 2115939, 3022770, 3526565, 4231878, 7053130, 10579695, 21159390]

約数ペア:

[(1, 21159390), (2, 10579695), (3, 7053130), (5, 4231878), (6, 3526565), (7, 3022770), (10, 2115939), (14, 1511385), (15, 1410626), (17, 1244670), (21, 1007590), (30, 705313), (34, 622335), (35, 604554), (42, 503795), (51, 414890), (70, 302277), (85, 248934), (102, 207445), (105, 201518), (119, 177810), (170, 124467), (210, 100759), (238, 88905), (255, 82978), (357, 59270), (510, 41489), (595, 35562), (714, 29635), (1190, 17781), (1785, 11854), (3570, 5927)]