21574920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7817}}^1$

素因数の和:7854

約数の個数: 64

約数和(自身を含む): 67547520

約数和(自身を除く): 45972600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7817, 15634, 23451, 31268, 39085, 46902, 62536, 78170, 93804, 117255, 156340, 179791, 187608, 234510, 312680, 359582, 469020, 539373, 719164, 898955, 938040, 1078746, 1438328, 1797910, 2157492, 2696865, 3595820, 4314984, 5393730, 7191640, 10787460, 21574920]

約数ペア:

[(1, 21574920), (2, 10787460), (3, 7191640), (4, 5393730), (5, 4314984), (6, 3595820), (8, 2696865), (10, 2157492), (12, 1797910), (15, 1438328), (20, 1078746), (23, 938040), (24, 898955), (30, 719164), (40, 539373), (46, 469020), (60, 359582), (69, 312680), (92, 234510), (115, 187608), (120, 179791), (138, 156340), (184, 117255), (230, 93804), (276, 78170), (345, 62536), (460, 46902), (552, 39085), (690, 31268), (920, 23451), (1380, 15634), (2760, 7817)]