21276072

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{641}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 57837780

約数和(自身を除く): 36561708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 641, 922, 1282, 1383, 1844, 1923, 2564, 2766, 3688, 3846, 4149, 5128, 5532, 5769, 7692, 8298, 11064, 11538, 15384, 16596, 23076, 33192, 46152, 295501, 591002, 886503, 1182004, 1773006, 2364008, 2659509, 3546012, 5319018, 7092024, 10638036, 21276072]

約数ペア:

[(1, 21276072), (2, 10638036), (3, 7092024), (4, 5319018), (6, 3546012), (8, 2659509), (9, 2364008), (12, 1773006), (18, 1182004), (24, 886503), (36, 591002), (72, 295501), (461, 46152), (641, 33192), (922, 23076), (1282, 16596), (1383, 15384), (1844, 11538), (1923, 11064), (2564, 8298), (2766, 7692), (3688, 5769), (3846, 5532), (4149, 5128)]