21639947008

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{6833}}^1$

素因数の和:7077

約数の個数: 72

約数和(自身を含む): 44001392400

約数和(自身を除く): 22361445392

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 139, 178, 256, 278, 356, 556, 712, 1112, 1424, 2224, 2848, 4448, 5696, 6833, 8896, 11392, 12371, 13666, 17792, 22784, 24742, 27332, 35584, 49484, 54664, 98968, 109328, 197936, 218656, 395872, 437312, 608137, 791744, 874624, 949787, 1216274, 1583488, 1749248, 1899574, 2432548, 3166976, 3799148, 4865096, 7598296, 9730192, 15196592, 19460384, 30393184, 38920768, 60786368, 77841536, 84531043, 121572736, 155683072, 169062086, 243145472, 338124172, 676248344, 1352496688, 2704993376, 5409986752, 10819973504, 21639947008]

約数ペア:

[(1, 21639947008), (2, 10819973504), (4, 5409986752), (8, 2704993376), (16, 1352496688), (32, 676248344), (64, 338124172), (89, 243145472), (128, 169062086), (139, 155683072), (178, 121572736), (256, 84531043), (278, 77841536), (356, 60786368), (556, 38920768), (712, 30393184), (1112, 19460384), (1424, 15196592), (2224, 9730192), (2848, 7598296), (4448, 4865096), (5696, 3799148), (6833, 3166976), (8896, 2432548), (11392, 1899574), (12371, 1749248), (13666, 1583488), (17792, 1216274), (22784, 949787), (24742, 874624), (27332, 791744), (35584, 608137), (49484, 437312), (54664, 395872), (98968, 218656), (109328, 197936)]