21741990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724733}}^1$

素因数の和:724743

約数の個数: 16

約数和(自身を含む): 52180848

約数和(自身を除く): 30438858

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724733, 1449466, 2174199, 3623665, 4348398, 7247330, 10870995, 21741990]

約数ペア:

[(1, 21741990), (2, 10870995), (3, 7247330), (5, 4348398), (6, 3623665), (10, 2174199), (15, 1449466), (30, 724733)]