21368376

素因数分解:

$2^3\times 3^2\times {\mathrm{463}}^1\times {\mathrm{641}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 58088160

約数和(自身を除く): 36719784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 463, 641, 926, 1282, 1389, 1852, 1923, 2564, 2778, 3704, 3846, 4167, 5128, 5556, 5769, 7692, 8334, 11112, 11538, 15384, 16668, 23076, 33336, 46152, 296783, 593566, 890349, 1187132, 1780698, 2374264, 2671047, 3561396, 5342094, 7122792, 10684188, 21368376]

約数ペア:

[(1, 21368376), (2, 10684188), (3, 7122792), (4, 5342094), (6, 3561396), (8, 2671047), (9, 2374264), (12, 1780698), (18, 1187132), (24, 890349), (36, 593566), (72, 296783), (463, 46152), (641, 33336), (926, 23076), (1282, 16668), (1389, 15384), (1852, 11538), (1923, 11112), (2564, 8334), (2778, 7692), (3704, 5769), (3846, 5556), (4167, 5128)]