21668879574

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1\times {\mathrm{1171}}^1$

素因数の和:2146

約数の個数: 96

約数和(自身を含む): 50329992960

約数和(自身を除く): 28661113386

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 549, 887, 1098, 1159, 1171, 1774, 2318, 2342, 2661, 3477, 3513, 5322, 6954, 7026, 7983, 10431, 10539, 15966, 16853, 20862, 21078, 22249, 33706, 44498, 50559, 54107, 66747, 71431, 101118, 108214, 133494, 142862, 151677, 162321, 200241, 214293, 303354, 324642, 400482, 428586, 486963, 642879, 973926, 1028033, 1038677, 1285758, 1357189, 2056066, 2077354, 2714378, 3084099, 3116031, 4071567, 6168198, 6232062, 8143134, 9252297, 9348093, 12214701, 18504594, 18696186, 19734863, 24429402, 39469726, 59204589, 63359297, 118409178, 126718594, 177613767, 190077891, 355227534, 380155782, 570233673, 1140467346, 1203826643, 2407653286, 3611479929, 7222959858, 10834439787, 21668879574]

約数ペア:

[(1, 21668879574), (2, 10834439787), (3, 7222959858), (6, 3611479929), (9, 2407653286), (18, 1203826643), (19, 1140467346), (38, 570233673), (57, 380155782), (61, 355227534), (114, 190077891), (122, 177613767), (171, 126718594), (183, 118409178), (342, 63359297), (366, 59204589), (549, 39469726), (887, 24429402), (1098, 19734863), (1159, 18696186), (1171, 18504594), (1774, 12214701), (2318, 9348093), (2342, 9252297), (2661, 8143134), (3477, 6232062), (3513, 6168198), (5322, 4071567), (6954, 3116031), (7026, 3084099), (7983, 2714378), (10431, 2077354), (10539, 2056066), (15966, 1357189), (16853, 1285758), (20862, 1038677), (21078, 1028033), (22249, 973926), (33706, 642879), (44498, 486963), (50559, 428586), (54107, 400482), (66747, 324642), (71431, 303354), (101118, 214293), (108214, 200241), (133494, 162321), (142862, 151677)]