21817860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12539}}^1$

素因数の和:12580

約数の個数: 48

約数和(自身を含む): 63201600

約数和(自身を除く): 41383740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12539, 25078, 37617, 50156, 62695, 75234, 125390, 150468, 188085, 250780, 363631, 376170, 727262, 752340, 1090893, 1454524, 1818155, 2181786, 3636310, 4363572, 5454465, 7272620, 10908930, 21817860]

約数ペア:

[(1, 21817860), (2, 10908930), (3, 7272620), (4, 5454465), (5, 4363572), (6, 3636310), (10, 2181786), (12, 1818155), (15, 1454524), (20, 1090893), (29, 752340), (30, 727262), (58, 376170), (60, 363631), (87, 250780), (116, 188085), (145, 150468), (174, 125390), (290, 75234), (348, 62695), (435, 50156), (580, 37617), (870, 25078), (1740, 12539)]