21272736

素因数分解:

$2^5\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3205

約数の個数: 48

約数和(自身を含む): 56645568

約数和(自身を除く): 35372832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 71, 96, 142, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3121, 3408, 6242, 6816, 9363, 12484, 18726, 24968, 37452, 49936, 74904, 99872, 149808, 221591, 299616, 443182, 664773, 886364, 1329546, 1772728, 2659092, 3545456, 5318184, 7090912, 10636368, 21272736]

約数ペア:

[(1, 21272736), (2, 10636368), (3, 7090912), (4, 5318184), (6, 3545456), (8, 2659092), (12, 1772728), (16, 1329546), (24, 886364), (32, 664773), (48, 443182), (71, 299616), (96, 221591), (142, 149808), (213, 99872), (284, 74904), (426, 49936), (568, 37452), (852, 24968), (1136, 18726), (1704, 12484), (2272, 9363), (3121, 6816), (3408, 6242)]