21255744

素因数分解:

$2^6\times 3^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:907

約数の個数: 56

約数和(自身を含む): 56692800

約数和(自身を除く): 35437056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 149, 192, 298, 447, 596, 743, 894, 1192, 1486, 1788, 2229, 2384, 2972, 3576, 4458, 4768, 5944, 7152, 8916, 9536, 11888, 14304, 17832, 23776, 28608, 35664, 47552, 71328, 110707, 142656, 221414, 332121, 442828, 664242, 885656, 1328484, 1771312, 2656968, 3542624, 5313936, 7085248, 10627872, 21255744]

約数ペア:

[(1, 21255744), (2, 10627872), (3, 7085248), (4, 5313936), (6, 3542624), (8, 2656968), (12, 1771312), (16, 1328484), (24, 885656), (32, 664242), (48, 442828), (64, 332121), (96, 221414), (149, 142656), (192, 110707), (298, 71328), (447, 47552), (596, 35664), (743, 28608), (894, 23776), (1192, 17832), (1486, 14304), (1788, 11888), (2229, 9536), (2384, 8916), (2972, 7152), (3576, 5944), (4458, 4768)]