21844660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 27797324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1367, 1598, 2734, 3196, 3995, 5468, 6835, 7990, 13670, 15980, 23239, 27340, 46478, 64249, 92956, 116195, 128498, 232390, 256996, 321245, 464780, 642490, 1092233, 1284980, 2184466, 4368932, 5461165, 10922330, 21844660]

約数ペア:

[(1, 21844660), (2, 10922330), (4, 5461165), (5, 4368932), (10, 2184466), (17, 1284980), (20, 1092233), (34, 642490), (47, 464780), (68, 321245), (85, 256996), (94, 232390), (170, 128498), (188, 116195), (235, 92956), (340, 64249), (470, 46478), (799, 27340), (940, 23239), (1367, 15980), (1598, 13670), (2734, 7990), (3196, 6835), (3995, 5468)]