21173632

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 42711480

約数和(自身を除く): 21537848

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 1993, 2656, 3986, 5312, 7972, 10624, 15944, 31888, 63776, 127552, 165419, 255104, 330838, 661676, 1323352, 2646704, 5293408, 10586816, 21173632]

約数ペア:

[(1, 21173632), (2, 10586816), (4, 5293408), (8, 2646704), (16, 1323352), (32, 661676), (64, 330838), (83, 255104), (128, 165419), (166, 127552), (332, 63776), (664, 31888), (1328, 15944), (1993, 10624), (2656, 7972), (3986, 5312)]