21266208

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1858

約数の個数: 72

約数和(自身を含む): 61985196

約数和(自身を除く): 40718988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1801, 1968, 2952, 3602, 3936, 5403, 5904, 7204, 10806, 11808, 14408, 16209, 21612, 28816, 32418, 43224, 57632, 64836, 73841, 86448, 129672, 147682, 172896, 221523, 259344, 295364, 443046, 518688, 590728, 664569, 886092, 1181456, 1329138, 1772184, 2362912, 2658276, 3544368, 5316552, 7088736, 10633104, 21266208]

約数ペア:

[(1, 21266208), (2, 10633104), (3, 7088736), (4, 5316552), (6, 3544368), (8, 2658276), (9, 2362912), (12, 1772184), (16, 1329138), (18, 1181456), (24, 886092), (32, 664569), (36, 590728), (41, 518688), (48, 443046), (72, 295364), (82, 259344), (96, 221523), (123, 172896), (144, 147682), (164, 129672), (246, 86448), (288, 73841), (328, 64836), (369, 57632), (492, 43224), (656, 32418), (738, 28816), (984, 21612), (1312, 16209), (1476, 14408), (1801, 11808), (1968, 10806), (2952, 7204), (3602, 5904), (3936, 5403)]