21429124948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{353173}}^1$

素因数の和:353392

約数の個数: 48

約数和(自身を含む): 46991919744

約数和(自身を除く): 25562794796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 197, 308, 394, 788, 1379, 2167, 2758, 4334, 5516, 8668, 15169, 30338, 60676, 353173, 706346, 1412692, 2472211, 3884903, 4944422, 7769806, 9888844, 15539612, 27194321, 54388642, 69575081, 108777284, 139150162, 278300324, 487025567, 765325891, 974051134, 1530651782, 1948102268, 3061303564, 5357281237, 10714562474, 21429124948]

約数ペア:

[(1, 21429124948), (2, 10714562474), (4, 5357281237), (7, 3061303564), (11, 1948102268), (14, 1530651782), (22, 974051134), (28, 765325891), (44, 487025567), (77, 278300324), (154, 139150162), (197, 108777284), (308, 69575081), (394, 54388642), (788, 27194321), (1379, 15539612), (2167, 9888844), (2758, 7769806), (4334, 4944422), (5516, 3884903), (8668, 2472211), (15169, 1412692), (30338, 706346), (60676, 353173)]