21143570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1319}}^1$

素因数の和:1562

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 22574830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 1145, 1319, 1603, 2290, 2638, 3206, 6595, 8015, 9233, 13190, 16030, 18466, 46165, 92330, 302051, 604102, 1510255, 2114357, 3020510, 4228714, 10571785, 21143570]

約数ペア:

[(1, 21143570), (2, 10571785), (5, 4228714), (7, 3020510), (10, 2114357), (14, 1510255), (35, 604102), (70, 302051), (229, 92330), (458, 46165), (1145, 18466), (1319, 16030), (1603, 13190), (2290, 9233), (2638, 8015), (3206, 6595)]