21305112

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12503}}^1$

素因数の和:12583

約数の個数: 32

約数和(自身を含む): 54017280

約数和(自身を除く): 32712168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12503, 25006, 37509, 50012, 75018, 100024, 150036, 300072, 887713, 1775426, 2663139, 3550852, 5326278, 7101704, 10652556, 21305112]

約数ペア:

[(1, 21305112), (2, 10652556), (3, 7101704), (4, 5326278), (6, 3550852), (8, 2663139), (12, 1775426), (24, 887713), (71, 300072), (142, 150036), (213, 100024), (284, 75018), (426, 50012), (568, 37509), (852, 25006), (1704, 12503)]