21588812

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4789}}^1$

素因数の和:4830

約数の個数: 36

約数和(自身を含む): 45869040

約数和(自身を除く): 24280228

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 4789, 9578, 19156, 33523, 67046, 110147, 134092, 220294, 234661, 440588, 469322, 771029, 938644, 1542058, 3084116, 5397203, 10794406, 21588812]

約数ペア:

[(1, 21588812), (2, 10794406), (4, 5397203), (7, 3084116), (14, 1542058), (23, 938644), (28, 771029), (46, 469322), (49, 440588), (92, 234661), (98, 220294), (161, 134092), (196, 110147), (322, 67046), (644, 33523), (1127, 19156), (2254, 9578), (4508, 4789)]