21001834

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 38638080

約数和(自身を除く): 17636246

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 238, 553, 1106, 1117, 1343, 2234, 2686, 7819, 9401, 15638, 18802, 18989, 37978, 88243, 132923, 176486, 265846, 617701, 1235402, 1500131, 3000262, 10500917, 21001834]

約数ペア:

[(1, 21001834), (2, 10500917), (7, 3000262), (14, 1500131), (17, 1235402), (34, 617701), (79, 265846), (119, 176486), (158, 132923), (238, 88243), (553, 37978), (1106, 18989), (1117, 18802), (1343, 15638), (2234, 9401), (2686, 7819)]