21867240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1386

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 44228760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1223, 1490, 1788, 2235, 2446, 2980, 3576, 3669, 4470, 4892, 5960, 6115, 7338, 8940, 9784, 12230, 14676, 17880, 18345, 24460, 29352, 36690, 48920, 73380, 146760, 182227, 364454, 546681, 728908, 911135, 1093362, 1457816, 1822270, 2186724, 2733405, 3644540, 4373448, 5466810, 7289080, 10933620, 21867240]

約数ペア:

[(1, 21867240), (2, 10933620), (3, 7289080), (4, 5466810), (5, 4373448), (6, 3644540), (8, 2733405), (10, 2186724), (12, 1822270), (15, 1457816), (20, 1093362), (24, 911135), (30, 728908), (40, 546681), (60, 364454), (120, 182227), (149, 146760), (298, 73380), (447, 48920), (596, 36690), (745, 29352), (894, 24460), (1192, 18345), (1223, 17880), (1490, 14676), (1788, 12230), (2235, 9784), (2446, 8940), (2980, 7338), (3576, 6115), (3669, 5960), (4470, 4892)]