21768708

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2969}}^1$

素因数の和:3036

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34114812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2969, 3666, 5938, 7332, 8907, 11876, 17814, 35628, 38597, 77194, 115791, 139543, 154388, 231582, 279086, 418629, 463164, 558172, 837258, 1674516, 1814059, 3628118, 5442177, 7256236, 10884354, 21768708]

約数ペア:

[(1, 21768708), (2, 10884354), (3, 7256236), (4, 5442177), (6, 3628118), (12, 1814059), (13, 1674516), (26, 837258), (39, 558172), (47, 463164), (52, 418629), (78, 279086), (94, 231582), (141, 154388), (156, 139543), (188, 115791), (282, 77194), (564, 38597), (611, 35628), (1222, 17814), (1833, 11876), (2444, 8907), (2969, 7332), (3666, 5938)]