21555204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2677}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 55788096

約数和(自身を除く): 34232892

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2677, 2684, 4026, 5354, 8031, 8052, 10708, 16062, 29447, 32124, 58894, 88341, 117788, 163297, 176682, 326594, 353364, 489891, 653188, 979782, 1796267, 1959564, 3592534, 5388801, 7185068, 10777602, 21555204]

約数ペア:

[(1, 21555204), (2, 10777602), (3, 7185068), (4, 5388801), (6, 3592534), (11, 1959564), (12, 1796267), (22, 979782), (33, 653188), (44, 489891), (61, 353364), (66, 326594), (122, 176682), (132, 163297), (183, 117788), (244, 88341), (366, 58894), (671, 32124), (732, 29447), (1342, 16062), (2013, 10708), (2677, 8052), (2684, 8031), (4026, 5354)]