21293224

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 43136820

約数和(自身を除く): 21843596

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 101, 146, 152, 202, 292, 361, 404, 584, 722, 808, 1387, 1444, 1919, 2774, 2888, 3838, 5548, 7373, 7676, 11096, 14746, 15352, 26353, 29492, 36461, 52706, 58984, 72922, 105412, 140087, 145844, 210824, 280174, 291688, 560348, 1120696, 2661653, 5323306, 10646612, 21293224]

約数ペア:

[(1, 21293224), (2, 10646612), (4, 5323306), (8, 2661653), (19, 1120696), (38, 560348), (73, 291688), (76, 280174), (101, 210824), (146, 145844), (152, 140087), (202, 105412), (292, 72922), (361, 58984), (404, 52706), (584, 36461), (722, 29492), (808, 26353), (1387, 15352), (1444, 14746), (1919, 11096), (2774, 7676), (2888, 7373), (3838, 5548)]