21000314650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{83219}}^1$

素因数の和:83348

約数の個数: 72

約数和(自身を含む): 45879518880

約数和(自身を除く): 24879204230

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 103, 175, 206, 245, 350, 490, 515, 721, 1030, 1225, 1442, 2450, 2575, 3605, 5047, 5150, 7210, 10094, 18025, 25235, 36050, 50470, 83219, 126175, 166438, 252350, 416095, 582533, 832190, 1165066, 2080475, 2912665, 4077731, 4160950, 5825330, 8155462, 8571557, 14563325, 17143114, 20388655, 29126650, 40777310, 42857785, 60000899, 85715570, 101943275, 120001798, 203886550, 214288925, 300004495, 420006293, 428577850, 600008990, 840012586, 1500022475, 2100031465, 3000044950, 4200062930, 10500157325, 21000314650]

約数ペア:

[(1, 21000314650), (2, 10500157325), (5, 4200062930), (7, 3000044950), (10, 2100031465), (14, 1500022475), (25, 840012586), (35, 600008990), (49, 428577850), (50, 420006293), (70, 300004495), (98, 214288925), (103, 203886550), (175, 120001798), (206, 101943275), (245, 85715570), (350, 60000899), (490, 42857785), (515, 40777310), (721, 29126650), (1030, 20388655), (1225, 17143114), (1442, 14563325), (2450, 8571557), (2575, 8155462), (3605, 5825330), (5047, 4160950), (5150, 4077731), (7210, 2912665), (10094, 2080475), (18025, 1165066), (25235, 832190), (36050, 582533), (50470, 416095), (83219, 252350), (126175, 166438)]