21046008

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33385992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 89, 118, 167, 177, 178, 236, 267, 334, 354, 356, 472, 501, 534, 668, 708, 712, 1002, 1068, 1336, 1416, 2004, 2136, 4008, 5251, 9853, 10502, 14863, 15753, 19706, 21004, 29559, 29726, 31506, 39412, 42008, 44589, 59118, 59452, 63012, 78824, 89178, 118236, 118904, 126024, 178356, 236472, 356712, 876917, 1753834, 2630751, 3507668, 5261502, 7015336, 10523004, 21046008]

約数ペア:

[(1, 21046008), (2, 10523004), (3, 7015336), (4, 5261502), (6, 3507668), (8, 2630751), (12, 1753834), (24, 876917), (59, 356712), (89, 236472), (118, 178356), (167, 126024), (177, 118904), (178, 118236), (236, 89178), (267, 78824), (334, 63012), (354, 59452), (356, 59118), (472, 44589), (501, 42008), (534, 39412), (668, 31506), (708, 29726), (712, 29559), (1002, 21004), (1068, 19706), (1336, 15753), (1416, 14863), (2004, 10502), (2136, 9853), (4008, 5251)]