21409716

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 52398080

約数和(自身を除く): 30988364

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 67, 93, 124, 134, 186, 201, 268, 372, 402, 804, 859, 1718, 2077, 2577, 3436, 4154, 5154, 6231, 8308, 10308, 12462, 24924, 26629, 53258, 57553, 79887, 106516, 115106, 159774, 172659, 230212, 319548, 345318, 690636, 1784143, 3568286, 5352429, 7136572, 10704858, 21409716]

約数ペア:

[(1, 21409716), (2, 10704858), (3, 7136572), (4, 5352429), (6, 3568286), (12, 1784143), (31, 690636), (62, 345318), (67, 319548), (93, 230212), (124, 172659), (134, 159774), (186, 115106), (201, 106516), (268, 79887), (372, 57553), (402, 53258), (804, 26629), (859, 24924), (1718, 12462), (2077, 10308), (2577, 8308), (3436, 6231), (4154, 5154)]