21457366

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 17966954

約数列:

[1, 2, 7, 14, 17, 34, 89, 119, 178, 238, 623, 1013, 1246, 1513, 2026, 3026, 7091, 10591, 14182, 17221, 21182, 34442, 90157, 120547, 180314, 241094, 631099, 1262198, 1532669, 3065338, 10728683, 21457366]

約数ペア:

[(1, 21457366), (2, 10728683), (7, 3065338), (14, 1532669), (17, 1262198), (34, 631099), (89, 241094), (119, 180314), (178, 120547), (238, 90157), (623, 34442), (1013, 21182), (1246, 17221), (1513, 14182), (2026, 10591), (3026, 7091)]