21239915488

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{900607}}^1$

素因数の和:900695

約数の個数: 48

約数和(自身を含む): 46298456064

約数和(自身を除く): 25058540576

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 134, 176, 268, 352, 536, 737, 1072, 1474, 2144, 2948, 5896, 11792, 23584, 900607, 1801214, 3602428, 7204856, 9906677, 14409712, 19813354, 28819424, 39626708, 60340669, 79253416, 120681338, 158506832, 241362676, 317013664, 482725352, 663747359, 965450704, 1327494718, 1930901408, 2654989436, 5309978872, 10619957744, 21239915488]

約数ペア:

[(1, 21239915488), (2, 10619957744), (4, 5309978872), (8, 2654989436), (11, 1930901408), (16, 1327494718), (22, 965450704), (32, 663747359), (44, 482725352), (67, 317013664), (88, 241362676), (134, 158506832), (176, 120681338), (268, 79253416), (352, 60340669), (536, 39626708), (737, 28819424), (1072, 19813354), (1474, 14409712), (2144, 9906677), (2948, 7204856), (5896, 3602428), (11792, 1801214), (23584, 900607)]