21866480

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{617}}^1$

素因数の和:1073

約数の個数: 40

約数和(自身を含む): 51036912

約数和(自身を除く): 29170432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 617, 886, 1234, 1772, 2215, 2468, 3085, 3544, 4430, 4936, 6170, 7088, 8860, 9872, 12340, 17720, 24680, 35440, 49360, 273331, 546662, 1093324, 1366655, 2186648, 2733310, 4373296, 5466620, 10933240, 21866480]

約数ペア:

[(1, 21866480), (2, 10933240), (4, 5466620), (5, 4373296), (8, 2733310), (10, 2186648), (16, 1366655), (20, 1093324), (40, 546662), (80, 273331), (443, 49360), (617, 35440), (886, 24680), (1234, 17720), (1772, 12340), (2215, 9872), (2468, 8860), (3085, 7088), (3544, 6170), (4430, 4936)]