21830715

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2837}}^1$

素因数の和:2873

約数の個数: 40

約数和(自身を含む): 41207760

約数和(自身を除く): 19377045

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 2837, 7695, 8511, 14185, 25533, 42555, 53903, 76599, 127665, 161709, 229797, 269515, 382995, 485127, 808545, 1148985, 1455381, 2425635, 4366143, 7276905, 21830715]

約数ペア:

[(1, 21830715), (3, 7276905), (5, 4366143), (9, 2425635), (15, 1455381), (19, 1148985), (27, 808545), (45, 485127), (57, 382995), (81, 269515), (95, 229797), (135, 161709), (171, 127665), (285, 76599), (405, 53903), (513, 42555), (855, 25533), (1539, 14185), (2565, 8511), (2837, 7695)]