21466760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{76667}}^1$

素因数の和:76685

約数の個数: 32

約数和(自身を含む): 55200960

約数和(自身を除く): 33734200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 76667, 153334, 306668, 383335, 536669, 613336, 766670, 1073338, 1533340, 2146676, 2683345, 3066680, 4293352, 5366690, 10733380, 21466760]

約数ペア:

[(1, 21466760), (2, 10733380), (4, 5366690), (5, 4293352), (7, 3066680), (8, 2683345), (10, 2146676), (14, 1533340), (20, 1073338), (28, 766670), (35, 613336), (40, 536669), (56, 383335), (70, 306668), (140, 153334), (280, 76667)]