21376236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8209}}^1$

素因数の和:8254

約数の個数: 48

約数和(自身を含む): 58849280

約数和(自身を除く): 37473044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 8209, 16418, 24627, 32836, 49254, 57463, 98508, 114926, 172389, 229852, 254479, 344778, 508958, 689556, 763437, 1017916, 1526874, 1781353, 3053748, 3562706, 5344059, 7125412, 10688118, 21376236]

約数ペア:

[(1, 21376236), (2, 10688118), (3, 7125412), (4, 5344059), (6, 3562706), (7, 3053748), (12, 1781353), (14, 1526874), (21, 1017916), (28, 763437), (31, 689556), (42, 508958), (62, 344778), (84, 254479), (93, 229852), (124, 172389), (186, 114926), (217, 98508), (372, 57463), (434, 49254), (651, 32836), (868, 24627), (1302, 16418), (2604, 8209)]