21702420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{120569}}^1$

素因数の和:120584

約数の個数: 36

約数和(自身を含む): 65831220

約数和(自身を除く): 44128800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 120569, 241138, 361707, 482276, 602845, 723414, 1085121, 1205690, 1446828, 1808535, 2170242, 2411380, 3617070, 4340484, 5425605, 7234140, 10851210, 21702420]

約数ペア:

[(1, 21702420), (2, 10851210), (3, 7234140), (4, 5425605), (5, 4340484), (6, 3617070), (9, 2411380), (10, 2170242), (12, 1808535), (15, 1446828), (18, 1205690), (20, 1085121), (30, 723414), (36, 602845), (45, 482276), (60, 361707), (90, 241138), (180, 120569)]