21827540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{22273}}^1$

素因数の和:22296

約数の個数: 36

約数和(自身を含む): 53323956

約数和(自身を除く): 31496416

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 22273, 44546, 89092, 111365, 155911, 222730, 311822, 445460, 623644, 779555, 1091377, 1559110, 2182754, 3118220, 4365508, 5456885, 10913770, 21827540]

約数ペア:

[(1, 21827540), (2, 10913770), (4, 5456885), (5, 4365508), (7, 3118220), (10, 2182754), (14, 1559110), (20, 1091377), (28, 779555), (35, 623644), (49, 445460), (70, 311822), (98, 222730), (140, 155911), (196, 111365), (245, 89092), (490, 44546), (980, 22273)]