21558144

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1859

約数の個数: 64

約数和(自身を含む): 59143680

約数和(自身を除く): 37585536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1811, 1984, 2976, 3622, 3968, 5433, 5952, 7244, 10866, 11904, 14488, 21732, 28976, 43464, 56141, 57952, 86928, 112282, 115904, 168423, 173856, 224564, 231808, 336846, 347712, 449128, 673692, 695424, 898256, 1347384, 1796512, 2694768, 3593024, 5389536, 7186048, 10779072, 21558144]

約数ペア:

[(1, 21558144), (2, 10779072), (3, 7186048), (4, 5389536), (6, 3593024), (8, 2694768), (12, 1796512), (16, 1347384), (24, 898256), (31, 695424), (32, 673692), (48, 449128), (62, 347712), (64, 336846), (93, 231808), (96, 224564), (124, 173856), (128, 168423), (186, 115904), (192, 112282), (248, 86928), (372, 57952), (384, 56141), (496, 43464), (744, 28976), (992, 21732), (1488, 14488), (1811, 11904), (1984, 10866), (2976, 7244), (3622, 5952), (3968, 5433)]