21203472

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10273}}^1$

素因数の和:10327

約数の個数: 40

約数和(自身を含む): 56054944

約数和(自身を除く): 34851472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10273, 20546, 30819, 41092, 61638, 82184, 123276, 164368, 246552, 441739, 493104, 883478, 1325217, 1766956, 2650434, 3533912, 5300868, 7067824, 10601736, 21203472]

約数ペア:

[(1, 21203472), (2, 10601736), (3, 7067824), (4, 5300868), (6, 3533912), (8, 2650434), (12, 1766956), (16, 1325217), (24, 883478), (43, 493104), (48, 441739), (86, 246552), (129, 164368), (172, 123276), (258, 82184), (344, 61638), (516, 41092), (688, 30819), (1032, 20546), (2064, 10273)]