21000921606

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{359987}}^1$

素因数の和:360465

約数の個数: 48

約数和(自身を含む): 52114742784

約数和(自身を除く): 31113821178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 463, 926, 1389, 2778, 3241, 4167, 6482, 8334, 9723, 19446, 29169, 58338, 359987, 719974, 1079961, 2159922, 2519909, 3239883, 5039818, 6479766, 7559727, 15119454, 22679181, 45358362, 166673981, 333347962, 500021943, 1000043886, 1166717867, 1500065829, 2333435734, 3000131658, 3500153601, 7000307202, 10500460803, 21000921606]

約数ペア:

[(1, 21000921606), (2, 10500460803), (3, 7000307202), (6, 3500153601), (7, 3000131658), (9, 2333435734), (14, 1500065829), (18, 1166717867), (21, 1000043886), (42, 500021943), (63, 333347962), (126, 166673981), (463, 45358362), (926, 22679181), (1389, 15119454), (2778, 7559727), (3241, 6479766), (4167, 5039818), (6482, 3239883), (8334, 2519909), (9723, 2159922), (19446, 1079961), (29169, 719974), (58338, 359987)]