21083552

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1621

約数の個数: 48

約数和(自身を含む): 48246912

約数和(自身を除く): 27163360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1543, 1708, 1952, 3086, 3416, 6172, 6832, 10801, 12344, 13664, 21602, 24688, 43204, 49376, 86408, 94123, 172816, 188246, 345632, 376492, 658861, 752984, 1317722, 1505968, 2635444, 3011936, 5270888, 10541776, 21083552]

約数ペア:

[(1, 21083552), (2, 10541776), (4, 5270888), (7, 3011936), (8, 2635444), (14, 1505968), (16, 1317722), (28, 752984), (32, 658861), (56, 376492), (61, 345632), (112, 188246), (122, 172816), (224, 94123), (244, 86408), (427, 49376), (488, 43204), (854, 24688), (976, 21602), (1543, 13664), (1708, 12344), (1952, 10801), (3086, 6832), (3416, 6172)]