21340230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1349

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 34474170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1291, 1653, 2582, 2755, 3306, 3873, 5510, 6455, 7746, 8265, 12910, 16530, 19365, 24529, 37439, 38730, 49058, 73587, 74878, 112317, 122645, 147174, 187195, 224634, 245290, 367935, 374390, 561585, 711341, 735870, 1123170, 1422682, 2134023, 3556705, 4268046, 7113410, 10670115, 21340230]

約数ペア:

[(1, 21340230), (2, 10670115), (3, 7113410), (5, 4268046), (6, 3556705), (10, 2134023), (15, 1422682), (19, 1123170), (29, 735870), (30, 711341), (38, 561585), (57, 374390), (58, 367935), (87, 245290), (95, 224634), (114, 187195), (145, 147174), (174, 122645), (190, 112317), (285, 74878), (290, 73587), (435, 49058), (551, 38730), (570, 37439), (870, 24529), (1102, 19365), (1291, 16530), (1653, 12910), (2582, 8265), (2755, 7746), (3306, 6455), (3873, 5510)]