21591828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31567}}^1$

素因数の和:31596

約数の個数: 36

約数和(自身を含む): 57453760

約数和(自身を除く): 35861932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31567, 63134, 94701, 126268, 189402, 284103, 378804, 568206, 599773, 1136412, 1199546, 1799319, 2399092, 3598638, 5397957, 7197276, 10795914, 21591828]

約数ペア:

[(1, 21591828), (2, 10795914), (3, 7197276), (4, 5397957), (6, 3598638), (9, 2399092), (12, 1799319), (18, 1199546), (19, 1136412), (36, 599773), (38, 568206), (57, 378804), (76, 284103), (114, 189402), (171, 126268), (228, 94701), (342, 63134), (684, 31567)]