21621510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3041}}^1$

素因数の和:3133

約数の個数: 48

約数和(自身を含む): 56946240

約数和(自身を除く): 35324730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 3041, 3555, 6082, 7110, 9123, 15205, 18246, 27369, 30410, 45615, 54738, 91230, 136845, 240239, 273690, 480478, 720717, 1201195, 1441434, 2162151, 2402390, 3603585, 4324302, 7207170, 10810755, 21621510]

約数ペア:

[(1, 21621510), (2, 10810755), (3, 7207170), (5, 4324302), (6, 3603585), (9, 2402390), (10, 2162151), (15, 1441434), (18, 1201195), (30, 720717), (45, 480478), (79, 273690), (90, 240239), (158, 136845), (237, 91230), (395, 54738), (474, 45615), (711, 30410), (790, 27369), (1185, 18246), (1422, 15205), (2370, 9123), (3041, 7110), (3555, 6082)]