21413690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93103}}^1$

素因数の和:93133

約数の個数: 16

約数和(自身を含む): 40220928

約数和(自身を除く): 18807238

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93103, 186206, 465515, 931030, 2141369, 4282738, 10706845, 21413690]

約数ペア:

[(1, 21413690), (2, 10706845), (5, 4282738), (10, 2141369), (23, 931030), (46, 465515), (115, 186206), (230, 93103)]