21000905719912

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{46015061}}^1$

素因数の和:46015797

約数の個数: 32

約数和(自身を含む): 39881254235400

約数和(自身を除く): 18880348515488

約数列:

[1, 2, 4, 8, 89, 178, 356, 641, 712, 1282, 2564, 5128, 57049, 114098, 228196, 456392, 46015061, 92030122, 184060244, 368120488, 4095340429, 8190680858, 16381361716, 29495654101, 32762723432, 58991308202, 117982616404, 235965232808, 2625113214989, 5250226429978, 10500452859956, 21000905719912]

約数ペア:

[(1, 21000905719912), (2, 10500452859956), (4, 5250226429978), (8, 2625113214989), (89, 235965232808), (178, 117982616404), (356, 58991308202), (641, 32762723432), (712, 29495654101), (1282, 16381361716), (2564, 8190680858), (5128, 4095340429), (57049, 368120488), (114098, 184060244), (228196, 92030122), (456392, 46015061)]