21226648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 42490800

約数和(自身を除く): 21264152

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1913, 2774, 3826, 5548, 7652, 11096, 15304, 36347, 72694, 139649, 145388, 279298, 290776, 558596, 1117192, 2653331, 5306662, 10613324, 21226648]

約数ペア:

[(1, 21226648), (2, 10613324), (4, 5306662), (8, 2653331), (19, 1117192), (38, 558596), (73, 290776), (76, 279298), (146, 145388), (152, 139649), (292, 72694), (584, 36347), (1387, 15304), (1913, 11096), (2774, 7652), (3826, 5548)]