21555552

素因数分解:

$2^5\times 3^1\times {\mathrm{151}}^1\times {\mathrm{1487}}^1$

素因数の和:1651

約数の個数: 48

約数和(自身を含む): 56996352

約数和(自身を除く): 35440800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 151, 302, 453, 604, 906, 1208, 1487, 1812, 2416, 2974, 3624, 4461, 4832, 5948, 7248, 8922, 11896, 14496, 17844, 23792, 35688, 47584, 71376, 142752, 224537, 449074, 673611, 898148, 1347222, 1796296, 2694444, 3592592, 5388888, 7185184, 10777776, 21555552]

約数ペア:

[(1, 21555552), (2, 10777776), (3, 7185184), (4, 5388888), (6, 3592592), (8, 2694444), (12, 1796296), (16, 1347222), (24, 898148), (32, 673611), (48, 449074), (96, 224537), (151, 142752), (302, 71376), (453, 47584), (604, 35688), (906, 23792), (1208, 17844), (1487, 14496), (1812, 11896), (2416, 8922), (2974, 7248), (3624, 5948), (4461, 4832)]