21011813040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87549221}}^1$

素因数の和:87549237

約数の個数: 40

約数和(自身を含む): 65136621168

約数和(自身を除く): 44124808128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87549221, 175098442, 262647663, 350196884, 437746105, 525295326, 700393768, 875492210, 1050590652, 1313238315, 1400787536, 1750984420, 2101181304, 2626476630, 3501968840, 4202362608, 5252953260, 7003937680, 10505906520, 21011813040]

約数ペア:

[(1, 21011813040), (2, 10505906520), (3, 7003937680), (4, 5252953260), (5, 4202362608), (6, 3501968840), (8, 2626476630), (10, 2101181304), (12, 1750984420), (15, 1400787536), (16, 1313238315), (20, 1050590652), (24, 875492210), (30, 700393768), (40, 525295326), (48, 437746105), (60, 350196884), (80, 262647663), (120, 175098442), (240, 87549221)]