21913140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5003}}^1$

素因数の和:5088

約数の個数: 48

約数和(自身を含む): 62209728

約数和(自身を除く): 40296588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 5003, 10006, 15009, 20012, 25015, 30018, 50030, 60036, 75045, 100060, 150090, 300180, 365219, 730438, 1095657, 1460876, 1826095, 2191314, 3652190, 4382628, 5478285, 7304380, 10956570, 21913140]

約数ペア:

[(1, 21913140), (2, 10956570), (3, 7304380), (4, 5478285), (5, 4382628), (6, 3652190), (10, 2191314), (12, 1826095), (15, 1460876), (20, 1095657), (30, 730438), (60, 365219), (73, 300180), (146, 150090), (219, 100060), (292, 75045), (365, 60036), (438, 50030), (730, 30018), (876, 25015), (1095, 20012), (1460, 15009), (2190, 10006), (4380, 5003)]