21073356

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30809}}^1$

素因数の和:30838

約数の個数: 36

約数和(自身を含む): 56074200

約数和(自身を除く): 35000844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30809, 61618, 92427, 123236, 184854, 277281, 369708, 554562, 585371, 1109124, 1170742, 1756113, 2341484, 3512226, 5268339, 7024452, 10536678, 21073356]

約数ペア:

[(1, 21073356), (2, 10536678), (3, 7024452), (4, 5268339), (6, 3512226), (9, 2341484), (12, 1756113), (18, 1170742), (19, 1109124), (36, 585371), (38, 554562), (57, 369708), (76, 277281), (114, 184854), (171, 123236), (228, 92427), (342, 61618), (684, 30809)]