21830840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3049}}^1$

素因数の和:3239

約数の個数: 32

約数和(自身を含む): 49410000

約数和(自身を除く): 27579160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3049, 3580, 6098, 7160, 12196, 15245, 24392, 30490, 60980, 121960, 545771, 1091542, 2183084, 2728855, 4366168, 5457710, 10915420, 21830840]

約数ペア:

[(1, 21830840), (2, 10915420), (4, 5457710), (5, 4366168), (8, 2728855), (10, 2183084), (20, 1091542), (40, 545771), (179, 121960), (358, 60980), (716, 30490), (895, 24392), (1432, 15245), (1790, 12196), (3049, 7160), (3580, 6098)]