21365952

素因数分解:

$2^6\times 3^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:705

約数の個数: 56

約数和(自身を含む): 56881776

約数和(自身を除く): 35515824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 257, 433, 514, 771, 866, 1028, 1299, 1542, 1732, 2056, 2598, 3084, 3464, 4112, 5196, 6168, 6928, 8224, 10392, 12336, 13856, 16448, 20784, 24672, 27712, 41568, 49344, 83136, 111281, 222562, 333843, 445124, 667686, 890248, 1335372, 1780496, 2670744, 3560992, 5341488, 7121984, 10682976, 21365952]

約数ペア:

[(1, 21365952), (2, 10682976), (3, 7121984), (4, 5341488), (6, 3560992), (8, 2670744), (12, 1780496), (16, 1335372), (24, 890248), (32, 667686), (48, 445124), (64, 333843), (96, 222562), (192, 111281), (257, 83136), (433, 49344), (514, 41568), (771, 27712), (866, 24672), (1028, 20784), (1299, 16448), (1542, 13856), (1732, 12336), (2056, 10392), (2598, 8224), (3084, 6928), (3464, 6168), (4112, 5196)]