21970072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{88589}}^1$

素因数の和:88626

約数の個数: 16

約数和(自身を含む): 42523200

約数和(自身を除く): 20553128

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 88589, 177178, 354356, 708712, 2746259, 5492518, 10985036, 21970072]

約数ペア:

[(1, 21970072), (2, 10985036), (4, 5492518), (8, 2746259), (31, 708712), (62, 354356), (124, 177178), (248, 88589)]