21164808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2377}}^1$

素因数の和:2446

約数の個数: 64

約数和(自身を含む): 61637760

約数和(自身を除く): 40472952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 636, 742, 1113, 1272, 1484, 2226, 2377, 2968, 4452, 4754, 7131, 8904, 9508, 14262, 16639, 19016, 28524, 33278, 49917, 57048, 66556, 99834, 125981, 133112, 199668, 251962, 377943, 399336, 503924, 755886, 881867, 1007848, 1511772, 1763734, 2645601, 3023544, 3527468, 5291202, 7054936, 10582404, 21164808]

約数ペア:

[(1, 21164808), (2, 10582404), (3, 7054936), (4, 5291202), (6, 3527468), (7, 3023544), (8, 2645601), (12, 1763734), (14, 1511772), (21, 1007848), (24, 881867), (28, 755886), (42, 503924), (53, 399336), (56, 377943), (84, 251962), (106, 199668), (159, 133112), (168, 125981), (212, 99834), (318, 66556), (371, 57048), (424, 49917), (636, 33278), (742, 28524), (1113, 19016), (1272, 16639), (1484, 14262), (2226, 9508), (2377, 8904), (2968, 7131), (4452, 4754)]