21010159212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{623743}}^1$

素因数の和:624158

約数の個数: 48

約数和(自身を含む): 56166899712

約数和(自身を除く): 35156740500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 401, 802, 1203, 1604, 2406, 2807, 4812, 5614, 8421, 11228, 16842, 33684, 623743, 1247486, 1871229, 2494972, 3742458, 4366201, 7484916, 8732402, 13098603, 17464804, 26197206, 52394412, 250120943, 500241886, 750362829, 1000483772, 1500725658, 1750846601, 3001451316, 3501693202, 5252539803, 7003386404, 10505079606, 21010159212]

約数ペア:

[(1, 21010159212), (2, 10505079606), (3, 7003386404), (4, 5252539803), (6, 3501693202), (7, 3001451316), (12, 1750846601), (14, 1500725658), (21, 1000483772), (28, 750362829), (42, 500241886), (84, 250120943), (401, 52394412), (802, 26197206), (1203, 17464804), (1604, 13098603), (2406, 8732402), (2807, 7484916), (4812, 4366201), (5614, 3742458), (8421, 2494972), (11228, 1871229), (16842, 1247486), (33684, 623743)]