21092000

素因数分解:

$2^5\times 5^3\times {\mathrm{5273}}^1$

素因数の和:5298

約数の個数: 48

約数和(自身を含む): 51832872

約数和(自身を除く): 30740872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 5273, 10546, 21092, 26365, 42184, 52730, 84368, 105460, 131825, 168736, 210920, 263650, 421840, 527300, 659125, 843680, 1054600, 1318250, 2109200, 2636500, 4218400, 5273000, 10546000, 21092000]

約数ペア:

[(1, 21092000), (2, 10546000), (4, 5273000), (5, 4218400), (8, 2636500), (10, 2109200), (16, 1318250), (20, 1054600), (25, 843680), (32, 659125), (40, 527300), (50, 421840), (80, 263650), (100, 210920), (125, 168736), (160, 131825), (200, 105460), (250, 84368), (400, 52730), (500, 42184), (800, 26365), (1000, 21092), (2000, 10546), (4000, 5273)]