21874140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121523}}^1$

素因数の和:121538

約数の個数: 36

約数和(自身を含む): 66352104

約数和(自身を除く): 44477964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121523, 243046, 364569, 486092, 607615, 729138, 1093707, 1215230, 1458276, 1822845, 2187414, 2430460, 3645690, 4374828, 5468535, 7291380, 10937070, 21874140]

約数ペア:

[(1, 21874140), (2, 10937070), (3, 7291380), (4, 5468535), (5, 4374828), (6, 3645690), (9, 2430460), (10, 2187414), (12, 1822845), (15, 1458276), (18, 1215230), (20, 1093707), (30, 729138), (36, 607615), (45, 486092), (60, 364569), (90, 243046), (180, 121523)]