21844095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1231}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 43287552

約数和(自身を除く): 21443457

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1183, 1231, 1365, 2535, 3549, 3693, 5915, 6155, 8617, 16003, 17745, 18465, 25851, 43085, 48009, 80015, 112021, 129255, 208039, 240045, 336063, 560105, 624117, 1040195, 1456273, 1680315, 3120585, 4368819, 7281365, 21844095]

約数ペア:

[(1, 21844095), (3, 7281365), (5, 4368819), (7, 3120585), (13, 1680315), (15, 1456273), (21, 1040195), (35, 624117), (39, 560105), (65, 336063), (91, 240045), (105, 208039), (169, 129255), (195, 112021), (273, 80015), (455, 48009), (507, 43085), (845, 25851), (1183, 18465), (1231, 17745), (1365, 16003), (2535, 8617), (3549, 6155), (3693, 5915)]