21842595

素因数分解:

$3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1181}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 39147840

約数和(自身を除く): 17305245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137, 411, 685, 1181, 1233, 2055, 3543, 3699, 5905, 6165, 10629, 17715, 18495, 31887, 53145, 159435, 161797, 485391, 808985, 1456173, 2426955, 4368519, 7280865, 21842595]

約数ペア:

[(1, 21842595), (3, 7280865), (5, 4368519), (9, 2426955), (15, 1456173), (27, 808985), (45, 485391), (135, 161797), (137, 159435), (411, 53145), (685, 31887), (1181, 18495), (1233, 17715), (2055, 10629), (3543, 6165), (3699, 5905)]