21266748

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12569}}^1$

素因数の和:12626

約数の個数: 36

約数和(自身を含む): 54905760

約数和(自身を除く): 33639012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12569, 25138, 37707, 50276, 75414, 113121, 150828, 226242, 452484, 590743, 1181486, 1772229, 2362972, 3544458, 5316687, 7088916, 10633374, 21266748]

約数ペア:

[(1, 21266748), (2, 10633374), (3, 7088916), (4, 5316687), (6, 3544458), (9, 2362972), (12, 1772229), (18, 1181486), (36, 590743), (47, 452484), (94, 226242), (141, 150828), (188, 113121), (282, 75414), (423, 50276), (564, 37707), (846, 25138), (1692, 12569)]