21497726418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11903503}}^1$

素因数の和:11903558

約数の個数: 32

約数和(自身を含む): 50280400896

約数和(自身を除く): 28782674478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11903503, 23807006, 35710509, 71421018, 83324521, 166649042, 249973563, 499947126, 511850629, 1023701258, 1535551887, 3071103774, 3582954403, 7165908806, 10748863209, 21497726418]

約数ペア:

[(1, 21497726418), (2, 10748863209), (3, 7165908806), (6, 3582954403), (7, 3071103774), (14, 1535551887), (21, 1023701258), (42, 511850629), (43, 499947126), (86, 249973563), (129, 166649042), (258, 83324521), (301, 71421018), (602, 35710509), (903, 23807006), (1806, 11903503)]