21988764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{87257}}^1$

素因数の和:87274

約数の個数: 36

約数和(自身を含む): 63523824

約数和(自身を除く): 41535060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 87257, 174514, 261771, 349028, 523542, 610799, 785313, 1047084, 1221598, 1570626, 1832397, 2443196, 3141252, 3664794, 5497191, 7329588, 10994382, 21988764]

約数ペア:

[(1, 21988764), (2, 10994382), (3, 7329588), (4, 5497191), (6, 3664794), (7, 3141252), (9, 2443196), (12, 1832397), (14, 1570626), (18, 1221598), (21, 1047084), (28, 785313), (36, 610799), (42, 523542), (63, 349028), (84, 261771), (126, 174514), (252, 87257)]