21457764

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10457}}^1$

素因数の和:10489

約数の個数: 48

約数和(自身を含む): 58564800

約数和(自身を除く): 37107036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10457, 20914, 31371, 41828, 62742, 94113, 125484, 188226, 198683, 282339, 376452, 397366, 564678, 596049, 794732, 1129356, 1192098, 1788147, 2384196, 3576294, 5364441, 7152588, 10728882, 21457764]

約数ペア:

[(1, 21457764), (2, 10728882), (3, 7152588), (4, 5364441), (6, 3576294), (9, 2384196), (12, 1788147), (18, 1192098), (19, 1129356), (27, 794732), (36, 596049), (38, 564678), (54, 397366), (57, 376452), (76, 282339), (108, 198683), (114, 188226), (171, 125484), (228, 94113), (342, 62742), (513, 41828), (684, 31371), (1026, 20914), (2052, 10457)]