21217164

素因数分解:

$2^2\times 3^1\times {\mathrm{659}}^1\times {\mathrm{2683}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 49600320

約数和(自身を除く): 28383156

約数列:

[1, 2, 3, 4, 6, 12, 659, 1318, 1977, 2636, 2683, 3954, 5366, 7908, 8049, 10732, 16098, 32196, 1768097, 3536194, 5304291, 7072388, 10608582, 21217164]

約数ペア:

[(1, 21217164), (2, 10608582), (3, 7072388), (4, 5304291), (6, 3536194), (12, 1768097), (659, 32196), (1318, 16098), (1977, 10732), (2636, 8049), (2683, 7908), (3954, 5366)]