21164382

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28602018

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 93, 94, 141, 186, 269, 279, 282, 423, 538, 558, 807, 837, 846, 1269, 1457, 1614, 1674, 2421, 2538, 2914, 4371, 4842, 7263, 8339, 8742, 12643, 13113, 14526, 16678, 25017, 25286, 26226, 37929, 39339, 50034, 75051, 75858, 78678, 113787, 150102, 225153, 227574, 341361, 391933, 450306, 682722, 783866, 1175799, 2351598, 3527397, 7054794, 10582191, 21164382]

約数ペア:

[(1, 21164382), (2, 10582191), (3, 7054794), (6, 3527397), (9, 2351598), (18, 1175799), (27, 783866), (31, 682722), (47, 450306), (54, 391933), (62, 341361), (93, 227574), (94, 225153), (141, 150102), (186, 113787), (269, 78678), (279, 75858), (282, 75051), (423, 50034), (538, 39339), (558, 37929), (807, 26226), (837, 25286), (846, 25017), (1269, 16678), (1457, 14526), (1614, 13113), (1674, 12643), (2421, 8742), (2538, 8339), (2914, 7263), (4371, 4842)]