21783138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1447}}^1$

素因数の和:1658

約数の個数: 32

約数和(自身を含む): 47193216

約数和(自身を除く): 25410078

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 193, 386, 579, 1158, 1447, 2509, 2894, 4341, 5018, 7527, 8682, 15054, 18811, 37622, 56433, 112866, 279271, 558542, 837813, 1675626, 3630523, 7261046, 10891569, 21783138]

約数ペア:

[(1, 21783138), (2, 10891569), (3, 7261046), (6, 3630523), (13, 1675626), (26, 837813), (39, 558542), (78, 279271), (193, 112866), (386, 56433), (579, 37622), (1158, 18811), (1447, 15054), (2509, 8682), (2894, 7527), (4341, 5018)]