21632096

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 22719904

約数列:

[1, 2, 4, 8, 16, 32, 43, 79, 86, 158, 172, 199, 316, 344, 398, 632, 688, 796, 1264, 1376, 1592, 2528, 3184, 3397, 6368, 6794, 8557, 13588, 15721, 17114, 27176, 31442, 34228, 54352, 62884, 68456, 108704, 125768, 136912, 251536, 273824, 503072, 676003, 1352006, 2704012, 5408024, 10816048, 21632096]

約数ペア:

[(1, 21632096), (2, 10816048), (4, 5408024), (8, 2704012), (16, 1352006), (32, 676003), (43, 503072), (79, 273824), (86, 251536), (158, 136912), (172, 125768), (199, 108704), (316, 68456), (344, 62884), (398, 54352), (632, 34228), (688, 31442), (796, 27176), (1264, 17114), (1376, 15721), (1592, 13588), (2528, 8557), (3184, 6794), (3397, 6368)]