21691452

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{11971}}^1$

素因数の和:12129

約数の個数: 24

約数和(自身を含む): 50952832

約数和(自身を除く): 29261380

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 11971, 23942, 35913, 47884, 71826, 143652, 1807621, 3615242, 5422863, 7230484, 10845726, 21691452]

約数ペア:

[(1, 21691452), (2, 10845726), (3, 7230484), (4, 5422863), (6, 3615242), (12, 1807621), (151, 143652), (302, 71826), (453, 47884), (604, 35913), (906, 23942), (1812, 11971)]