21222540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39301}}^1$

素因数の和:39319

約数の個数: 48

約数和(自身を含む): 66027360

約数和(自身を除く): 44804820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39301, 78602, 117903, 157204, 196505, 235806, 353709, 393010, 471612, 589515, 707418, 786020, 1061127, 1179030, 1414836, 1768545, 2122254, 2358060, 3537090, 4244508, 5305635, 7074180, 10611270, 21222540]

約数ペア:

[(1, 21222540), (2, 10611270), (3, 7074180), (4, 5305635), (5, 4244508), (6, 3537090), (9, 2358060), (10, 2122254), (12, 1768545), (15, 1414836), (18, 1179030), (20, 1061127), (27, 786020), (30, 707418), (36, 589515), (45, 471612), (54, 393010), (60, 353709), (90, 235806), (108, 196505), (135, 157204), (180, 117903), (270, 78602), (540, 39301)]