21327804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31181}}^1$

素因数の和:31210

約数の個数: 36

約数和(自身を含む): 56751240

約数和(自身を除く): 35423436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31181, 62362, 93543, 124724, 187086, 280629, 374172, 561258, 592439, 1122516, 1184878, 1777317, 2369756, 3554634, 5331951, 7109268, 10663902, 21327804]

約数ペア:

[(1, 21327804), (2, 10663902), (3, 7109268), (4, 5331951), (6, 3554634), (9, 2369756), (12, 1777317), (18, 1184878), (19, 1122516), (36, 592439), (38, 561258), (57, 374172), (76, 280629), (114, 187086), (171, 124724), (228, 93543), (342, 62362), (684, 31181)]