21564751040

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{1375303}}^1$

素因数の和:1375334

約数の個数: 84

約数和(自身を含む): 59734953936

約数和(自身を除く): 38170202896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 1375303, 2750606, 5501212, 6876515, 9627121, 11002424, 13753030, 19254242, 22004848, 27506060, 38508484, 44009696, 48135605, 55012120, 67389847, 77016968, 88019392, 96271210, 110024240, 134779694, 154033936, 192542420, 220048480, 269559388, 308067872, 336949235, 385084840, 440096960, 539118776, 616135744, 673898470, 770169680, 1078237552, 1347796940, 1540339360, 2156475104, 2695593880, 3080678720, 4312950208, 5391187760, 10782375520, 21564751040]

約数ペア:

[(1, 21564751040), (2, 10782375520), (4, 5391187760), (5, 4312950208), (7, 3080678720), (8, 2695593880), (10, 2156475104), (14, 1540339360), (16, 1347796940), (20, 1078237552), (28, 770169680), (32, 673898470), (35, 616135744), (40, 539118776), (49, 440096960), (56, 385084840), (64, 336949235), (70, 308067872), (80, 269559388), (98, 220048480), (112, 192542420), (140, 154033936), (160, 134779694), (196, 110024240), (224, 96271210), (245, 88019392), (280, 77016968), (320, 67389847), (392, 55012120), (448, 48135605), (490, 44009696), (560, 38508484), (784, 27506060), (980, 22004848), (1120, 19254242), (1568, 13753030), (1960, 11002424), (2240, 9627121), (3136, 6876515), (3920, 5501212), (7840, 2750606), (15680, 1375303)]