21654984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 61927200

約数和(自身を除く): 40272216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 169, 228, 247, 281, 312, 338, 456, 494, 507, 562, 676, 741, 843, 988, 1014, 1124, 1352, 1482, 1686, 1976, 2028, 2248, 2964, 3211, 3372, 3653, 4056, 5339, 5928, 6422, 6744, 7306, 9633, 10678, 10959, 12844, 14612, 16017, 19266, 21356, 21918, 25688, 29224, 32034, 38532, 42712, 43836, 47489, 64068, 69407, 77064, 87672, 94978, 128136, 138814, 142467, 189956, 208221, 277628, 284934, 379912, 416442, 555256, 569868, 832884, 902291, 1139736, 1665768, 1804582, 2706873, 3609164, 5413746, 7218328, 10827492, 21654984]

約数ペア:

[(1, 21654984), (2, 10827492), (3, 7218328), (4, 5413746), (6, 3609164), (8, 2706873), (12, 1804582), (13, 1665768), (19, 1139736), (24, 902291), (26, 832884), (38, 569868), (39, 555256), (52, 416442), (57, 379912), (76, 284934), (78, 277628), (104, 208221), (114, 189956), (152, 142467), (156, 138814), (169, 128136), (228, 94978), (247, 87672), (281, 77064), (312, 69407), (338, 64068), (456, 47489), (494, 43836), (507, 42712), (562, 38532), (676, 32034), (741, 29224), (843, 25688), (988, 21918), (1014, 21356), (1124, 19266), (1352, 16017), (1482, 14612), (1686, 12844), (1976, 10959), (2028, 10678), (2248, 9633), (2964, 7306), (3211, 6744), (3372, 6422), (3653, 5928), (4056, 5339)]