21642090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15349}}^1$

素因数の和:15406

約数の個数: 32

約数和(自身を含む): 53049600

約数和(自身を除く): 31407510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15349, 30698, 46047, 76745, 92094, 153490, 230235, 460470, 721403, 1442806, 2164209, 3607015, 4328418, 7214030, 10821045, 21642090]

約数ペア:

[(1, 21642090), (2, 10821045), (3, 7214030), (5, 4328418), (6, 3607015), (10, 2164209), (15, 1442806), (30, 721403), (47, 460470), (94, 230235), (141, 153490), (235, 92094), (282, 76745), (470, 46047), (705, 30698), (1410, 15349)]