21233465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2459}}^1$

素因数の和:2632

約数の個数: 16

約数和(自身を含む): 27984960

約数和(自身を除く): 6751495

約数列:

[1, 5, 11, 55, 157, 785, 1727, 2459, 8635, 12295, 27049, 135245, 386063, 1930315, 4246693, 21233465]

約数ペア:

[(1, 21233465), (5, 4246693), (11, 1930315), (55, 386063), (157, 135245), (785, 27049), (1727, 12295), (2459, 8635)]