21690552

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3659}}^1$

素因数の和:3700

約数の個数: 64

約数和(自身を含む): 61488000

約数和(自身を除く): 39797448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3659, 5928, 7318, 10977, 14636, 21954, 29272, 43908, 47567, 69521, 87816, 95134, 139042, 142701, 190268, 208563, 278084, 285402, 380536, 417126, 556168, 570804, 834252, 903773, 1141608, 1668504, 1807546, 2711319, 3615092, 5422638, 7230184, 10845276, 21690552]

約数ペア:

[(1, 21690552), (2, 10845276), (3, 7230184), (4, 5422638), (6, 3615092), (8, 2711319), (12, 1807546), (13, 1668504), (19, 1141608), (24, 903773), (26, 834252), (38, 570804), (39, 556168), (52, 417126), (57, 380536), (76, 285402), (78, 278084), (104, 208563), (114, 190268), (152, 142701), (156, 139042), (228, 95134), (247, 87816), (312, 69521), (456, 47567), (494, 43908), (741, 29272), (988, 21954), (1482, 14636), (1976, 10977), (2964, 7318), (3659, 5928)]