21062754

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2281}}^1$

素因数の和:2317

約数の個数: 48

約数和(自身を含む): 49838880

約数和(自身を除く): 28776126

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 1026, 1539, 2281, 3078, 4562, 4617, 6843, 9234, 13686, 20529, 41058, 43339, 61587, 86678, 123174, 130017, 184761, 260034, 369522, 390051, 554283, 780102, 1108566, 1170153, 2340306, 3510459, 7020918, 10531377, 21062754]

約数ペア:

[(1, 21062754), (2, 10531377), (3, 7020918), (6, 3510459), (9, 2340306), (18, 1170153), (19, 1108566), (27, 780102), (38, 554283), (54, 390051), (57, 369522), (81, 260034), (114, 184761), (162, 130017), (171, 123174), (243, 86678), (342, 61587), (486, 43339), (513, 41058), (1026, 20529), (1539, 13686), (2281, 9234), (3078, 6843), (4562, 4617)]