21557952

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2879}}^1$

素因数の和:2910

約数の個数: 84

約数和(自身を含む): 66568320

約数和(自身を除く): 45010368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 2879, 3744, 5758, 7488, 8637, 11516, 17274, 23032, 25911, 34548, 37427, 46064, 51822, 69096, 74854, 92128, 103644, 112281, 138192, 149708, 184256, 207288, 224562, 276384, 299416, 336843, 414576, 449124, 552768, 598832, 673686, 829152, 898248, 1197664, 1347372, 1658304, 1796496, 2395328, 2694744, 3592992, 5389488, 7185984, 10778976, 21557952]

約数ペア:

[(1, 21557952), (2, 10778976), (3, 7185984), (4, 5389488), (6, 3592992), (8, 2694744), (9, 2395328), (12, 1796496), (13, 1658304), (16, 1347372), (18, 1197664), (24, 898248), (26, 829152), (32, 673686), (36, 598832), (39, 552768), (48, 449124), (52, 414576), (64, 336843), (72, 299416), (78, 276384), (96, 224562), (104, 207288), (117, 184256), (144, 149708), (156, 138192), (192, 112281), (208, 103644), (234, 92128), (288, 74854), (312, 69096), (416, 51822), (468, 46064), (576, 37427), (624, 34548), (832, 25911), (936, 23032), (1248, 17274), (1872, 11516), (2496, 8637), (2879, 7488), (3744, 5758)]