21757230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21977}}^1$

素因数の和:22001

約数の個数: 48

約数和(自身を含む): 61714224

約数和(自身を除く): 39956994

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21977, 43954, 65931, 109885, 131862, 197793, 219770, 241747, 329655, 395586, 483494, 659310, 725241, 988965, 1208735, 1450482, 1977930, 2175723, 2417470, 3626205, 4351446, 7252410, 10878615, 21757230]

約数ペア:

[(1, 21757230), (2, 10878615), (3, 7252410), (5, 4351446), (6, 3626205), (9, 2417470), (10, 2175723), (11, 1977930), (15, 1450482), (18, 1208735), (22, 988965), (30, 725241), (33, 659310), (45, 483494), (55, 395586), (66, 329655), (90, 241747), (99, 219770), (110, 197793), (165, 131862), (198, 109885), (330, 65931), (495, 43954), (990, 21977)]