21711410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 46293120

約数和(自身を除く): 24581710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 245, 295, 413, 490, 590, 751, 826, 1502, 2065, 2891, 3755, 4130, 5257, 5782, 7510, 10514, 14455, 26285, 28910, 36799, 44309, 52570, 73598, 88618, 183995, 221545, 310163, 367990, 443090, 620326, 1550815, 2171141, 3101630, 4342282, 10855705, 21711410]

約数ペア:

[(1, 21711410), (2, 10855705), (5, 4342282), (7, 3101630), (10, 2171141), (14, 1550815), (35, 620326), (49, 443090), (59, 367990), (70, 310163), (98, 221545), (118, 183995), (245, 88618), (295, 73598), (413, 52570), (490, 44309), (590, 36799), (751, 28910), (826, 26285), (1502, 14455), (2065, 10514), (2891, 7510), (3755, 5782), (4130, 5257)]