21678336

素因数分解:

$2^8\times 3^2\times {\mathrm{97}}^2$

素因数の和:216

約数の個数: 81

約数和(自身を含む): 63155001

約数和(自身を除く): 41476665

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 97, 128, 144, 192, 194, 256, 288, 291, 384, 388, 576, 582, 768, 776, 873, 1152, 1164, 1552, 1746, 2304, 2328, 3104, 3492, 4656, 6208, 6984, 9312, 9409, 12416, 13968, 18624, 18818, 24832, 27936, 28227, 37248, 37636, 55872, 56454, 74496, 75272, 84681, 111744, 112908, 150544, 169362, 223488, 225816, 301088, 338724, 451632, 602176, 677448, 903264, 1204352, 1354896, 1806528, 2408704, 2709792, 3613056, 5419584, 7226112, 10839168, 21678336]

約数ペア:

[(1, 21678336), (2, 10839168), (3, 7226112), (4, 5419584), (6, 3613056), (8, 2709792), (9, 2408704), (12, 1806528), (16, 1354896), (18, 1204352), (24, 903264), (32, 677448), (36, 602176), (48, 451632), (64, 338724), (72, 301088), (96, 225816), (97, 223488), (128, 169362), (144, 150544), (192, 112908), (194, 111744), (256, 84681), (288, 75272), (291, 74496), (384, 56454), (388, 55872), (576, 37636), (582, 37248), (768, 28227), (776, 27936), (873, 24832), (1152, 18818), (1164, 18624), (1552, 13968), (1746, 12416), (2304, 9409), (2328, 9312), (3104, 6984), (3492, 6208)]