21031607976

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{56431}}^1$

素因数の和:56786

約数の個数: 64

約数和(自身を含む): 53754865920

約数和(自身を除く): 32723257944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 293, 318, 424, 586, 636, 879, 1172, 1272, 1758, 2344, 3516, 7032, 15529, 31058, 46587, 56431, 62116, 93174, 112862, 124232, 169293, 186348, 225724, 338586, 372696, 451448, 677172, 1354344, 2990843, 5981686, 8972529, 11963372, 16534283, 17945058, 23926744, 33068566, 35890116, 49602849, 66137132, 71780232, 99205698, 132274264, 198411396, 396822792, 876316999, 1752633998, 2628950997, 3505267996, 5257901994, 7010535992, 10515803988, 21031607976]

約数ペア:

[(1, 21031607976), (2, 10515803988), (3, 7010535992), (4, 5257901994), (6, 3505267996), (8, 2628950997), (12, 1752633998), (24, 876316999), (53, 396822792), (106, 198411396), (159, 132274264), (212, 99205698), (293, 71780232), (318, 66137132), (424, 49602849), (586, 35890116), (636, 33068566), (879, 23926744), (1172, 17945058), (1272, 16534283), (1758, 11963372), (2344, 8972529), (3516, 5981686), (7032, 2990843), (15529, 1354344), (31058, 677172), (46587, 451448), (56431, 372696), (62116, 338586), (93174, 225724), (112862, 186348), (124232, 169293)]