21219084

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:924

約数の個数: 60

約数和(自身を含む): 56240800

約数和(自身を除く): 35021716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 316, 324, 474, 711, 829, 948, 1422, 1658, 2133, 2487, 2844, 3316, 4266, 4974, 6399, 7461, 8532, 9948, 12798, 14922, 22383, 25596, 29844, 44766, 65491, 67149, 89532, 130982, 134298, 196473, 261964, 268596, 392946, 589419, 785892, 1178838, 1768257, 2357676, 3536514, 5304771, 7073028, 10609542, 21219084]

約数ペア:

[(1, 21219084), (2, 10609542), (3, 7073028), (4, 5304771), (6, 3536514), (9, 2357676), (12, 1768257), (18, 1178838), (27, 785892), (36, 589419), (54, 392946), (79, 268596), (81, 261964), (108, 196473), (158, 134298), (162, 130982), (237, 89532), (316, 67149), (324, 65491), (474, 44766), (711, 29844), (829, 25596), (948, 22383), (1422, 14922), (1658, 12798), (2133, 9948), (2487, 8532), (2844, 7461), (3316, 6399), (4266, 4974)]