21505104

素因数分解:

$2^4\times 3^2\times {\mathrm{149341}}^1$

素因数の和:149355

約数の個数: 30

約数和(自身を含む): 60184826

約数和(自身を除く): 38679722

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149341, 298682, 448023, 597364, 896046, 1194728, 1344069, 1792092, 2389456, 2688138, 3584184, 5376276, 7168368, 10752552, 21505104]

約数ペア:

[(1, 21505104), (2, 10752552), (3, 7168368), (4, 5376276), (6, 3584184), (8, 2688138), (9, 2389456), (12, 1792092), (16, 1344069), (18, 1194728), (24, 896046), (36, 597364), (48, 448023), (72, 298682), (144, 149341)]