21176595

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 40435200

約数和(自身を除く): 19258605

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 179, 239, 495, 537, 717, 895, 1195, 1611, 1969, 2151, 2629, 2685, 3585, 5907, 7887, 8055, 9845, 10755, 13145, 17721, 23661, 29535, 39435, 42781, 88605, 118305, 128343, 213905, 385029, 470591, 641715, 1411773, 1925145, 2352955, 4235319, 7058865, 21176595]

約数ペア:

[(1, 21176595), (3, 7058865), (5, 4235319), (9, 2352955), (11, 1925145), (15, 1411773), (33, 641715), (45, 470591), (55, 385029), (99, 213905), (165, 128343), (179, 118305), (239, 88605), (495, 42781), (537, 39435), (717, 29535), (895, 23661), (1195, 17721), (1611, 13145), (1969, 10755), (2151, 9845), (2629, 8055), (2685, 7887), (3585, 5907)]