21236722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 35505792

約数和(自身を除く): 14269070

約数列:

[1, 2, 13, 26, 67, 73, 134, 146, 167, 334, 871, 949, 1742, 1898, 2171, 4342, 4891, 9782, 11189, 12191, 22378, 24382, 63583, 127166, 145457, 158483, 290914, 316966, 816797, 1633594, 10618361, 21236722]

約数ペア:

[(1, 21236722), (2, 10618361), (13, 1633594), (26, 816797), (67, 316966), (73, 290914), (134, 158483), (146, 145457), (167, 127166), (334, 63583), (871, 24382), (949, 22378), (1742, 12191), (1898, 11189), (2171, 9782), (4342, 4891)]