21759180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19087}}^1$

素因数の和:19118

約数の個数: 48

約数和(自身を含む): 64135680

約数和(自身を除く): 42376500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19087, 38174, 57261, 76348, 95435, 114522, 190870, 229044, 286305, 362653, 381740, 572610, 725306, 1087959, 1145220, 1450612, 1813265, 2175918, 3626530, 4351836, 5439795, 7253060, 10879590, 21759180]

約数ペア:

[(1, 21759180), (2, 10879590), (3, 7253060), (4, 5439795), (5, 4351836), (6, 3626530), (10, 2175918), (12, 1813265), (15, 1450612), (19, 1145220), (20, 1087959), (30, 725306), (38, 572610), (57, 381740), (60, 362653), (76, 286305), (95, 229044), (114, 190870), (190, 114522), (228, 95435), (285, 76348), (380, 57261), (570, 38174), (1140, 19087)]