21762380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64007}}^1$

素因数の和:64033

約数の個数: 24

約数和(自身を含む): 48390048

約数和(自身を除く): 26627668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 64007, 128014, 256028, 320035, 640070, 1088119, 1280140, 2176238, 4352476, 5440595, 10881190, 21762380]

約数ペア:

[(1, 21762380), (2, 10881190), (4, 5440595), (5, 4352476), (10, 2176238), (17, 1280140), (20, 1088119), (34, 640070), (68, 320035), (85, 256028), (170, 128014), (340, 64007)]