21207342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6323}}^1$

素因数の和:6384

約数の個数: 32

約数和(自身を含む): 46747008

約数和(自身を除く): 25539666

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6323, 12646, 18969, 37938, 82199, 164398, 246597, 271889, 493194, 543778, 815667, 1631334, 3534557, 7069114, 10603671, 21207342]

約数ペア:

[(1, 21207342), (2, 10603671), (3, 7069114), (6, 3534557), (13, 1631334), (26, 815667), (39, 543778), (43, 493194), (78, 271889), (86, 246597), (129, 164398), (258, 82199), (559, 37938), (1118, 18969), (1677, 12646), (3354, 6323)]