21765636

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 58216704

約数和(自身を除く): 36451068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 97, 138, 194, 207, 271, 276, 291, 388, 414, 542, 582, 813, 828, 873, 1084, 1164, 1626, 1746, 2231, 2439, 3252, 3492, 4462, 4878, 6233, 6693, 8924, 9756, 12466, 13386, 18699, 20079, 24932, 26287, 26772, 37398, 40158, 52574, 56097, 74796, 78861, 80316, 105148, 112194, 157722, 224388, 236583, 315444, 473166, 604601, 946332, 1209202, 1813803, 2418404, 3627606, 5441409, 7255212, 10882818, 21765636]

約数ペア:

[(1, 21765636), (2, 10882818), (3, 7255212), (4, 5441409), (6, 3627606), (9, 2418404), (12, 1813803), (18, 1209202), (23, 946332), (36, 604601), (46, 473166), (69, 315444), (92, 236583), (97, 224388), (138, 157722), (194, 112194), (207, 105148), (271, 80316), (276, 78861), (291, 74796), (388, 56097), (414, 52574), (542, 40158), (582, 37398), (813, 26772), (828, 26287), (873, 24932), (1084, 20079), (1164, 18699), (1626, 13386), (1746, 12466), (2231, 9756), (2439, 8924), (3252, 6693), (3492, 6233), (4462, 4878)]