21370778884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{99679}}^1$

素因数の和:99753

約数の個数: 96

約数和(自身を含む): 50015436800

約数和(自身を除く): 28644657916

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 182, 217, 247, 266, 364, 403, 434, 494, 532, 589, 806, 868, 988, 1178, 1612, 1729, 2356, 2821, 3458, 4123, 5642, 6916, 7657, 8246, 11284, 15314, 16492, 30628, 53599, 99679, 107198, 199358, 214396, 398716, 697753, 1295827, 1395506, 1893901, 2591654, 2791012, 3090049, 3787802, 5183308, 6180098, 7575604, 9070789, 12360196, 13257307, 18141578, 21630343, 24620713, 26514614, 36283156, 40170637, 43260686, 49241426, 53029228, 58710931, 80341274, 86521372, 98482852, 117421862, 160682548, 172344991, 234843724, 281194459, 344689982, 410976517, 562388918, 689379964, 763242103, 821953034, 1124777836, 1526484206, 1643906068, 3052968412, 5342694721, 10685389442, 21370778884]

約数ペア:

[(1, 21370778884), (2, 10685389442), (4, 5342694721), (7, 3052968412), (13, 1643906068), (14, 1526484206), (19, 1124777836), (26, 821953034), (28, 763242103), (31, 689379964), (38, 562388918), (52, 410976517), (62, 344689982), (76, 281194459), (91, 234843724), (124, 172344991), (133, 160682548), (182, 117421862), (217, 98482852), (247, 86521372), (266, 80341274), (364, 58710931), (403, 53029228), (434, 49241426), (494, 43260686), (532, 40170637), (589, 36283156), (806, 26514614), (868, 24620713), (988, 21630343), (1178, 18141578), (1612, 13257307), (1729, 12360196), (2356, 9070789), (2821, 7575604), (3458, 6180098), (4123, 5183308), (5642, 3787802), (6916, 3090049), (7657, 2791012), (8246, 2591654), (11284, 1893901), (15314, 1395506), (16492, 1295827), (30628, 697753), (53599, 398716), (99679, 214396), (107198, 199358)]