21000992172

素因数分解:

$2^2\times 3^1\times {\mathrm{5557}}^1\times {\mathrm{314933}}^1$

素因数の和:320497

約数の個数: 24

約数和(自身を含む): 49011288816

約数和(自身を除く): 28010296644

約数列:

[1, 2, 3, 4, 6, 12, 5557, 11114, 16671, 22228, 33342, 66684, 314933, 629866, 944799, 1259732, 1889598, 3779196, 1750082681, 3500165362, 5250248043, 7000330724, 10500496086, 21000992172]

約数ペア:

[(1, 21000992172), (2, 10500496086), (3, 7000330724), (4, 5250248043), (6, 3500165362), (12, 1750082681), (5557, 3779196), (11114, 1889598), (16671, 1259732), (22228, 944799), (33342, 629866), (66684, 314933)]