21866936

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 51576000

約数和(自身を除く): 29709064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 613, 637, 686, 728, 1226, 1274, 1372, 2452, 2548, 2744, 4291, 4459, 4904, 5096, 7969, 8582, 8918, 15938, 17164, 17836, 30037, 31876, 34328, 35672, 55783, 60074, 63752, 111566, 120148, 210259, 223132, 240296, 390481, 420518, 446264, 780962, 841036, 1561924, 1682072, 2733367, 3123848, 5466734, 10933468, 21866936]

約数ペア:

[(1, 21866936), (2, 10933468), (4, 5466734), (7, 3123848), (8, 2733367), (13, 1682072), (14, 1561924), (26, 841036), (28, 780962), (49, 446264), (52, 420518), (56, 390481), (91, 240296), (98, 223132), (104, 210259), (182, 120148), (196, 111566), (343, 63752), (364, 60074), (392, 55783), (613, 35672), (637, 34328), (686, 31876), (728, 30037), (1226, 17836), (1274, 17164), (1372, 15938), (2452, 8918), (2548, 8582), (2744, 7969), (4291, 5096), (4459, 4904)]