21784542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12143}}^1$

素因数の和:12184

約数の個数: 32

約数和(自身を含む): 48964608

約数和(自身を除く): 27180066

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 12143, 24286, 36429, 72858, 157859, 279289, 315718, 473577, 558578, 837867, 947154, 1675734, 3630757, 7261514, 10892271, 21784542]

約数ペア:

[(1, 21784542), (2, 10892271), (3, 7261514), (6, 3630757), (13, 1675734), (23, 947154), (26, 837867), (39, 558578), (46, 473577), (69, 315718), (78, 279289), (138, 157859), (299, 72858), (598, 36429), (897, 24286), (1794, 12143)]