21725520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90523}}^1$

素因数の和:90539

約数の個数: 40

約数和(自身を含む): 67349856

約数和(自身を除く): 45624336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90523, 181046, 271569, 362092, 452615, 543138, 724184, 905230, 1086276, 1357845, 1448368, 1810460, 2172552, 2715690, 3620920, 4345104, 5431380, 7241840, 10862760, 21725520]

約数ペア:

[(1, 21725520), (2, 10862760), (3, 7241840), (4, 5431380), (5, 4345104), (6, 3620920), (8, 2715690), (10, 2172552), (12, 1810460), (15, 1448368), (16, 1357845), (20, 1086276), (24, 905230), (30, 724184), (40, 543138), (48, 452615), (60, 362092), (80, 271569), (120, 181046), (240, 90523)]