21413307968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{53731}}^1$

素因数の和:54235

約数の個数: 56

約数和(自身を含む): 45857038080

約数和(自身を除く): 24443730112

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 479, 832, 958, 1916, 3832, 6227, 7664, 12454, 15328, 24908, 30656, 49816, 53731, 99632, 107462, 199264, 214924, 398528, 429848, 698503, 859696, 1397006, 1719392, 2794012, 3438784, 5588024, 11176048, 22352096, 25737149, 44704192, 51474298, 102948596, 205897192, 334582937, 411794384, 669165874, 823588768, 1338331748, 1647177536, 2676663496, 5353326992, 10706653984, 21413307968]

約数ペア:

[(1, 21413307968), (2, 10706653984), (4, 5353326992), (8, 2676663496), (13, 1647177536), (16, 1338331748), (26, 823588768), (32, 669165874), (52, 411794384), (64, 334582937), (104, 205897192), (208, 102948596), (416, 51474298), (479, 44704192), (832, 25737149), (958, 22352096), (1916, 11176048), (3832, 5588024), (6227, 3438784), (7664, 2794012), (12454, 1719392), (15328, 1397006), (24908, 859696), (30656, 698503), (49816, 429848), (53731, 398528), (99632, 214924), (107462, 199264)]