21560880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8167}}^1$

素因数の和:8194

約数の個数: 80

約数和(自身を含む): 72923904

約数和(自身を除く): 51363024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8167, 16334, 24501, 32668, 40835, 49002, 65336, 81670, 89837, 98004, 122505, 130672, 163340, 179674, 196008, 245010, 269511, 326680, 359348, 392016, 449185, 490020, 539022, 653360, 718696, 898370, 980040, 1078044, 1347555, 1437392, 1796740, 1960080, 2156088, 2695110, 3593480, 4312176, 5390220, 7186960, 10780440, 21560880]

約数ペア:

[(1, 21560880), (2, 10780440), (3, 7186960), (4, 5390220), (5, 4312176), (6, 3593480), (8, 2695110), (10, 2156088), (11, 1960080), (12, 1796740), (15, 1437392), (16, 1347555), (20, 1078044), (22, 980040), (24, 898370), (30, 718696), (33, 653360), (40, 539022), (44, 490020), (48, 449185), (55, 392016), (60, 359348), (66, 326680), (80, 269511), (88, 245010), (110, 196008), (120, 179674), (132, 163340), (165, 130672), (176, 122505), (220, 98004), (240, 89837), (264, 81670), (330, 65336), (440, 49002), (528, 40835), (660, 32668), (880, 24501), (1320, 16334), (2640, 8167)]