21864424

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 42704640

約数和(自身を除く): 20840216

約数列:

[1, 2, 4, 8, 31, 62, 124, 131, 248, 262, 524, 673, 1048, 1346, 2692, 4061, 5384, 8122, 16244, 20863, 32488, 41726, 83452, 88163, 166904, 176326, 352652, 705304, 2733053, 5466106, 10932212, 21864424]

約数ペア:

[(1, 21864424), (2, 10932212), (4, 5466106), (8, 2733053), (31, 705304), (62, 352652), (124, 176326), (131, 166904), (248, 88163), (262, 83452), (524, 41726), (673, 32488), (1048, 20863), (1346, 16244), (2692, 8122), (4061, 5384)]