21846656

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:737

約数の個数: 64

約数和(自身を含む): 49408800

約数和(自身を除く): 27562144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 691, 832, 988, 1216, 1382, 1664, 1976, 2432, 2764, 3952, 5528, 7904, 8983, 11056, 13129, 15808, 17966, 22112, 26258, 31616, 35932, 44224, 52516, 71864, 88448, 105032, 143728, 170677, 210064, 287456, 341354, 420128, 574912, 682708, 840256, 1149824, 1365416, 1680512, 2730832, 5461664, 10923328, 21846656]

約数ペア:

[(1, 21846656), (2, 10923328), (4, 5461664), (8, 2730832), (13, 1680512), (16, 1365416), (19, 1149824), (26, 840256), (32, 682708), (38, 574912), (52, 420128), (64, 341354), (76, 287456), (104, 210064), (128, 170677), (152, 143728), (208, 105032), (247, 88448), (304, 71864), (416, 52516), (494, 44224), (608, 35932), (691, 31616), (832, 26258), (988, 22112), (1216, 17966), (1382, 15808), (1664, 13129), (1976, 11056), (2432, 8983), (2764, 7904), (3952, 5528)]