21314000

素因数分解:

$2^4\times 5^3\times {\mathrm{10657}}^1$

素因数の和:10680

約数の個数: 40

約数和(自身を含む): 51542088

約数和(自身を除く): 30228088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10657, 21314, 42628, 53285, 85256, 106570, 170512, 213140, 266425, 426280, 532850, 852560, 1065700, 1332125, 2131400, 2664250, 4262800, 5328500, 10657000, 21314000]

約数ペア:

[(1, 21314000), (2, 10657000), (4, 5328500), (5, 4262800), (8, 2664250), (10, 2131400), (16, 1332125), (20, 1065700), (25, 852560), (40, 532850), (50, 426280), (80, 266425), (100, 213140), (125, 170512), (200, 106570), (250, 85256), (400, 53285), (500, 42628), (1000, 21314), (2000, 10657)]