21118214910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54149269}}^1$

素因数の和:54149292

約数の個数: 32

約数和(自身を含む): 54582464160

約数和(自身を除く): 33464249250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54149269, 108298538, 162447807, 270746345, 324895614, 541492690, 703940497, 812239035, 1407880994, 1624478070, 2111821491, 3519702485, 4223642982, 7039404970, 10559107455, 21118214910]

約数ペア:

[(1, 21118214910), (2, 10559107455), (3, 7039404970), (5, 4223642982), (6, 3519702485), (10, 2111821491), (13, 1624478070), (15, 1407880994), (26, 812239035), (30, 703940497), (39, 541492690), (65, 324895614), (78, 270746345), (130, 162447807), (195, 108298538), (390, 54149269)]