21851040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{45523}}^1$

素因数の和:45541

約数の個数: 48

約数和(自身を含む): 68832288

約数和(自身を除く): 46981248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 45523, 91046, 136569, 182092, 227615, 273138, 364184, 455230, 546276, 682845, 728368, 910460, 1092552, 1365690, 1456736, 1820920, 2185104, 2731380, 3641840, 4370208, 5462760, 7283680, 10925520, 21851040]

約数ペア:

[(1, 21851040), (2, 10925520), (3, 7283680), (4, 5462760), (5, 4370208), (6, 3641840), (8, 2731380), (10, 2185104), (12, 1820920), (15, 1456736), (16, 1365690), (20, 1092552), (24, 910460), (30, 728368), (32, 682845), (40, 546276), (48, 455230), (60, 364184), (80, 273138), (96, 227615), (120, 182092), (160, 136569), (240, 91046), (480, 45523)]