21316008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 61326720

約数和(自身を除く): 40010712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 181, 362, 543, 701, 724, 1086, 1267, 1402, 1448, 2103, 2172, 2534, 2804, 3801, 4206, 4344, 4907, 5068, 5608, 7602, 8412, 9814, 10136, 14721, 15204, 16824, 19628, 29442, 30408, 39256, 58884, 117768, 126881, 253762, 380643, 507524, 761286, 888167, 1015048, 1522572, 1776334, 2664501, 3045144, 3552668, 5329002, 7105336, 10658004, 21316008]

約数ペア:

[(1, 21316008), (2, 10658004), (3, 7105336), (4, 5329002), (6, 3552668), (7, 3045144), (8, 2664501), (12, 1776334), (14, 1522572), (21, 1015048), (24, 888167), (28, 761286), (42, 507524), (56, 380643), (84, 253762), (168, 126881), (181, 117768), (362, 58884), (543, 39256), (701, 30408), (724, 29442), (1086, 19628), (1267, 16824), (1402, 15204), (1448, 14721), (2103, 10136), (2172, 9814), (2534, 8412), (2804, 7602), (3801, 5608), (4206, 5068), (4344, 4907)]