21472515

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5749}}^1$

素因数の和:5843

約数の個数: 24

約数和(自身を含む): 37674000

約数和(自身を除く): 16201485

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5749, 17247, 28745, 51741, 86235, 258705, 477167, 1431501, 2385835, 4294503, 7157505, 21472515]

約数ペア:

[(1, 21472515), (3, 7157505), (5, 4294503), (9, 2385835), (15, 1431501), (45, 477167), (83, 258705), (249, 86235), (415, 51741), (747, 28745), (1245, 17247), (3735, 5749)]