21770504

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 51984000

約数和(自身を除く): 30213496

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 49, 56, 74, 76, 79, 98, 133, 148, 152, 158, 196, 259, 266, 296, 316, 392, 518, 532, 553, 632, 703, 931, 1036, 1064, 1106, 1406, 1501, 1813, 1862, 2072, 2212, 2812, 2923, 3002, 3626, 3724, 3871, 4424, 4921, 5624, 5846, 6004, 7252, 7448, 7742, 9842, 10507, 11692, 12008, 14504, 15484, 19684, 20461, 21014, 23384, 30968, 34447, 39368, 40922, 42028, 55537, 68894, 73549, 81844, 84056, 111074, 137788, 143227, 147098, 163688, 222148, 275576, 286454, 294196, 388759, 444296, 572908, 588392, 777518, 1145816, 1555036, 2721313, 3110072, 5442626, 10885252, 21770504]

約数ペア:

[(1, 21770504), (2, 10885252), (4, 5442626), (7, 3110072), (8, 2721313), (14, 1555036), (19, 1145816), (28, 777518), (37, 588392), (38, 572908), (49, 444296), (56, 388759), (74, 294196), (76, 286454), (79, 275576), (98, 222148), (133, 163688), (148, 147098), (152, 143227), (158, 137788), (196, 111074), (259, 84056), (266, 81844), (296, 73549), (316, 68894), (392, 55537), (518, 42028), (532, 40922), (553, 39368), (632, 34447), (703, 30968), (931, 23384), (1036, 21014), (1064, 20461), (1106, 19684), (1406, 15484), (1501, 14504), (1813, 12008), (1862, 11692), (2072, 10507), (2212, 9842), (2812, 7742), (2923, 7448), (3002, 7252), (3626, 6004), (3724, 5846), (3871, 5624), (4424, 4921)]