21850620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33107}}^1$

素因数の和:33130

約数の個数: 48

約数和(自身を含む): 66745728

約数和(自身を除く): 44895108

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33107, 66214, 99321, 132428, 165535, 198642, 331070, 364177, 397284, 496605, 662140, 728354, 993210, 1092531, 1456708, 1820885, 1986420, 2185062, 3641770, 4370124, 5462655, 7283540, 10925310, 21850620]

約数ペア:

[(1, 21850620), (2, 10925310), (3, 7283540), (4, 5462655), (5, 4370124), (6, 3641770), (10, 2185062), (11, 1986420), (12, 1820885), (15, 1456708), (20, 1092531), (22, 993210), (30, 728354), (33, 662140), (44, 496605), (55, 397284), (60, 364177), (66, 331070), (110, 198642), (132, 165535), (165, 132428), (220, 99321), (330, 66214), (660, 33107)]