21525101125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{1327}}^1$

素因数の和:1651

約数の個数: 64

約数和(自身を含む): 30070849536

約数和(自身を除く): 8545748411

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 251, 275, 517, 1175, 1255, 1327, 1375, 2585, 2761, 5875, 6275, 6635, 11797, 12925, 13805, 14597, 31375, 33175, 58985, 62369, 64625, 69025, 72985, 129767, 165875, 294925, 311845, 333077, 345125, 364925, 648835, 686059, 1474625, 1559225, 1665385, 1824625, 3244175, 3430295, 3663847, 7796125, 8326925, 15654619, 16220875, 17151475, 18319235, 41634625, 78273095, 85757375, 91596175, 172200809, 391365475, 457980875, 861004045, 1956827375, 4305020225, 21525101125]

約数ペア:

[(1, 21525101125), (5, 4305020225), (11, 1956827375), (25, 861004045), (47, 457980875), (55, 391365475), (125, 172200809), (235, 91596175), (251, 85757375), (275, 78273095), (517, 41634625), (1175, 18319235), (1255, 17151475), (1327, 16220875), (1375, 15654619), (2585, 8326925), (2761, 7796125), (5875, 3663847), (6275, 3430295), (6635, 3244175), (11797, 1824625), (12925, 1665385), (13805, 1559225), (14597, 1474625), (31375, 686059), (33175, 648835), (58985, 364925), (62369, 345125), (64625, 333077), (69025, 311845), (72985, 294925), (129767, 165875)]