21251040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{44273}}^1$

素因数の和:44291

約数の個数: 48

約数和(自身を含む): 66942288

約数和(自身を除く): 45691248

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, 44273, 88546, 132819, 177092, 221365, 265638, 354184, 442730, 531276, 664095, 708368, 885460, 1062552, 1328190, 1416736, 1770920, 2125104, 2656380, 3541840, 4250208, 5312760, 7083680, 10625520, 21251040]

約数ペア:

[(1, 21251040), (2, 10625520), (3, 7083680), (4, 5312760), (5, 4250208), (6, 3541840), (8, 2656380), (10, 2125104), (12, 1770920), (15, 1416736), (16, 1328190), (20, 1062552), (24, 885460), (30, 708368), (32, 664095), (40, 531276), (48, 442730), (60, 354184), (80, 265638), (96, 221365), (120, 177092), (160, 132819), (240, 88546), (480, 44273)]