21170412

素因数分解:

$2^2\times 3^2\times {\mathrm{541}}^1\times {\mathrm{1087}}^1$

素因数の和:1638

約数の個数: 36

約数和(自身を含む): 53662336

約数和(自身を除く): 32491924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 541, 1082, 1087, 1623, 2164, 2174, 3246, 3261, 4348, 4869, 6492, 6522, 9738, 9783, 13044, 19476, 19566, 39132, 588067, 1176134, 1764201, 2352268, 3528402, 5292603, 7056804, 10585206, 21170412]

約数ペア:

[(1, 21170412), (2, 10585206), (3, 7056804), (4, 5292603), (6, 3528402), (9, 2352268), (12, 1764201), (18, 1176134), (36, 588067), (541, 39132), (1082, 19566), (1087, 19476), (1623, 13044), (2164, 9783), (2174, 9738), (3246, 6522), (3261, 6492), (4348, 4869)]