21069804

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5119}}^1$

素因数の和:5147

約数の個数: 48

約数和(自身を含む): 57344000

約数和(自身を除く): 36274196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5119, 10238, 15357, 20476, 30714, 35833, 61428, 71666, 107499, 143332, 214998, 250831, 429996, 501662, 752493, 1003324, 1504986, 1755817, 3009972, 3511634, 5267451, 7023268, 10534902, 21069804]

約数ペア:

[(1, 21069804), (2, 10534902), (3, 7023268), (4, 5267451), (6, 3511634), (7, 3009972), (12, 1755817), (14, 1504986), (21, 1003324), (28, 752493), (42, 501662), (49, 429996), (84, 250831), (98, 214998), (147, 143332), (196, 107499), (294, 71666), (343, 61428), (588, 35833), (686, 30714), (1029, 20476), (1372, 15357), (2058, 10238), (4116, 5119)]