21087570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100417}}^1$

素因数の和:100434

約数の個数: 32

約数和(自身を含む): 57840768

約数和(自身を除く): 36753198

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100417, 200834, 301251, 502085, 602502, 702919, 1004170, 1405838, 1506255, 2108757, 3012510, 3514595, 4217514, 7029190, 10543785, 21087570]

約数ペア:

[(1, 21087570), (2, 10543785), (3, 7029190), (5, 4217514), (6, 3514595), (7, 3012510), (10, 2108757), (14, 1506255), (15, 1405838), (21, 1004170), (30, 702919), (35, 602502), (42, 502085), (70, 301251), (105, 200834), (210, 100417)]