21057726

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 43135488

約数和(自身を除く): 22077762

約数列:

[1, 2, 3, 6, 73, 131, 146, 219, 262, 367, 393, 438, 734, 786, 1101, 2202, 9563, 19126, 26791, 28689, 48077, 53582, 57378, 80373, 96154, 144231, 160746, 288462, 3509621, 7019242, 10528863, 21057726]

約数ペア:

[(1, 21057726), (2, 10528863), (3, 7019242), (6, 3509621), (73, 288462), (131, 160746), (146, 144231), (219, 96154), (262, 80373), (367, 57378), (393, 53582), (438, 48077), (734, 28689), (786, 26791), (1101, 19126), (2202, 9563)]