21668190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{722273}}^1$

素因数の和:722283

約数の個数: 16

約数和(自身を含む): 52003728

約数和(自身を除く): 30335538

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 722273, 1444546, 2166819, 3611365, 4333638, 7222730, 10834095, 21668190]

約数ペア:

[(1, 21668190), (2, 10834095), (3, 7222730), (5, 4333638), (6, 3611365), (10, 2166819), (15, 1444546), (30, 722273)]