21854970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1899

約数の個数: 48

約数和(自身を含む): 57264480

約数和(自身を除く): 35409510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 1747, 2085, 2502, 3494, 4170, 5241, 6255, 8735, 10482, 12510, 15723, 17470, 26205, 31446, 52410, 78615, 157230, 242833, 485666, 728499, 1214165, 1456998, 2185497, 2428330, 3642495, 4370994, 7284990, 10927485, 21854970]

約数ペア:

[(1, 21854970), (2, 10927485), (3, 7284990), (5, 4370994), (6, 3642495), (9, 2428330), (10, 2185497), (15, 1456998), (18, 1214165), (30, 728499), (45, 485666), (90, 242833), (139, 157230), (278, 78615), (417, 52410), (695, 31446), (834, 26205), (1251, 17470), (1390, 15723), (1747, 12510), (2085, 10482), (2502, 8735), (3494, 6255), (4170, 5241)]