21797040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90821}}^1$

素因数の和:90837

約数の個数: 40

約数和(自身を含む): 67571568

約数和(自身を除く): 45774528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90821, 181642, 272463, 363284, 454105, 544926, 726568, 908210, 1089852, 1362315, 1453136, 1816420, 2179704, 2724630, 3632840, 4359408, 5449260, 7265680, 10898520, 21797040]

約数ペア:

[(1, 21797040), (2, 10898520), (3, 7265680), (4, 5449260), (5, 4359408), (6, 3632840), (8, 2724630), (10, 2179704), (12, 1816420), (15, 1453136), (16, 1362315), (20, 1089852), (24, 908210), (30, 726568), (40, 544926), (48, 454105), (60, 363284), (80, 272463), (120, 181642), (240, 90821)]