21523476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 54387648

約数和(自身を除く): 32864172

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 281, 491, 562, 843, 982, 1124, 1473, 1686, 1964, 2946, 3372, 3653, 5892, 6383, 7306, 10959, 12766, 14612, 19149, 21918, 25532, 38298, 43836, 76596, 137971, 275942, 413913, 551884, 827826, 1655652, 1793623, 3587246, 5380869, 7174492, 10761738, 21523476]

約数ペア:

[(1, 21523476), (2, 10761738), (3, 7174492), (4, 5380869), (6, 3587246), (12, 1793623), (13, 1655652), (26, 827826), (39, 551884), (52, 413913), (78, 275942), (156, 137971), (281, 76596), (491, 43836), (562, 38298), (843, 25532), (982, 21918), (1124, 19149), (1473, 14612), (1686, 12766), (1964, 10959), (2946, 7306), (3372, 6383), (3653, 5892)]