21663264

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32237}}^1$

素因数の和:32257

約数の個数: 48

約数和(自身を含む): 64991808

約数和(自身を除く): 43328544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32237, 64474, 96711, 128948, 193422, 225659, 257896, 386844, 451318, 515792, 676977, 773688, 902636, 1031584, 1353954, 1547376, 1805272, 2707908, 3094752, 3610544, 5415816, 7221088, 10831632, 21663264]

約数ペア:

[(1, 21663264), (2, 10831632), (3, 7221088), (4, 5415816), (6, 3610544), (7, 3094752), (8, 2707908), (12, 1805272), (14, 1547376), (16, 1353954), (21, 1031584), (24, 902636), (28, 773688), (32, 676977), (42, 515792), (48, 451318), (56, 386844), (84, 257896), (96, 225659), (112, 193422), (168, 128948), (224, 96711), (336, 64474), (672, 32237)]