21542048

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3221}}^1$

素因数の和:3261

約数の個数: 48

約数和(自身を含む): 48716640

約数和(自身を除く): 27174592

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3221, 3344, 6442, 6688, 12884, 25768, 35431, 51536, 61199, 70862, 103072, 122398, 141724, 244796, 283448, 489592, 566896, 673189, 979184, 1133792, 1346378, 1958368, 2692756, 5385512, 10771024, 21542048]

約数ペア:

[(1, 21542048), (2, 10771024), (4, 5385512), (8, 2692756), (11, 1958368), (16, 1346378), (19, 1133792), (22, 979184), (32, 673189), (38, 566896), (44, 489592), (76, 283448), (88, 244796), (152, 141724), (176, 122398), (209, 103072), (304, 70862), (352, 61199), (418, 51536), (608, 35431), (836, 25768), (1672, 12884), (3221, 6688), (3344, 6442)]