21065149056

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7836737}}^1$

素因数の和:7836761

約数の個数: 64

約数和(自身を含む): 63947782080

約数和(自身を除く): 42882633024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7836737, 15673474, 23510211, 31346948, 47020422, 54857159, 62693896, 94040844, 109714318, 125387792, 164571477, 188081688, 219428636, 250775584, 329142954, 376163376, 438857272, 501551168, 658285908, 752326752, 877714544, 1003102336, 1316571816, 1504653504, 1755429088, 2633143632, 3009307008, 3510858176, 5266287264, 7021716352, 10532574528, 21065149056]

約数ペア:

[(1, 21065149056), (2, 10532574528), (3, 7021716352), (4, 5266287264), (6, 3510858176), (7, 3009307008), (8, 2633143632), (12, 1755429088), (14, 1504653504), (16, 1316571816), (21, 1003102336), (24, 877714544), (28, 752326752), (32, 658285908), (42, 501551168), (48, 438857272), (56, 376163376), (64, 329142954), (84, 250775584), (96, 219428636), (112, 188081688), (128, 164571477), (168, 125387792), (192, 109714318), (224, 94040844), (336, 62693896), (384, 54857159), (448, 47020422), (672, 31346948), (896, 23510211), (1344, 15673474), (2688, 7836737)]