21184600

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1451}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 49963320

約数和(自身を除く): 28778720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1451, 1460, 1825, 2902, 2920, 3650, 5804, 7255, 7300, 11608, 14510, 14600, 29020, 36275, 58040, 72550, 105923, 145100, 211846, 290200, 423692, 529615, 847384, 1059230, 2118460, 2648075, 4236920, 5296150, 10592300, 21184600]

約数ペア:

[(1, 21184600), (2, 10592300), (4, 5296150), (5, 4236920), (8, 2648075), (10, 2118460), (20, 1059230), (25, 847384), (40, 529615), (50, 423692), (73, 290200), (100, 211846), (146, 145100), (200, 105923), (292, 72550), (365, 58040), (584, 36275), (730, 29020), (1451, 14600), (1460, 14510), (1825, 11608), (2902, 7300), (2920, 7255), (3650, 5804)]