21766730

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 40752720

約数和(自身を除く): 18985990

約数列:

[1, 2, 5, 10, 37, 74, 89, 178, 185, 370, 445, 661, 890, 1322, 3293, 3305, 6586, 6610, 16465, 24457, 32930, 48914, 58829, 117658, 122285, 244570, 294145, 588290, 2176673, 4353346, 10883365, 21766730]

約数ペア:

[(1, 21766730), (2, 10883365), (5, 4353346), (10, 2176673), (37, 588290), (74, 294145), (89, 244570), (178, 122285), (185, 117658), (370, 58829), (445, 48914), (661, 32930), (890, 24457), (1322, 16465), (3293, 6610), (3305, 6586)]