21503062

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12907}}^1$

素因数の和:12940

約数の個数: 24

約数和(自身を含む): 39730824

約数和(自身を除く): 18227762

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12907, 25814, 90349, 180698, 219419, 438838, 632443, 1264886, 1535933, 3071866, 10751531, 21503062]

約数ペア:

[(1, 21503062), (2, 10751531), (7, 3071866), (14, 1535933), (17, 1264886), (34, 632443), (49, 438838), (98, 219419), (119, 180698), (238, 90349), (833, 25814), (1666, 12907)]