21509928

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^2\times {\mathrm{823}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 65755200

約数和(自身を除く): 44245272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 121, 132, 198, 216, 242, 264, 297, 363, 396, 484, 594, 726, 792, 823, 968, 1089, 1188, 1452, 1646, 2178, 2376, 2469, 2904, 3267, 3292, 4356, 4938, 6534, 6584, 7407, 8712, 9053, 9876, 13068, 14814, 18106, 19752, 22221, 26136, 27159, 29628, 36212, 44442, 54318, 59256, 72424, 81477, 88884, 99583, 108636, 162954, 177768, 199166, 217272, 244431, 298749, 325908, 398332, 488862, 597498, 651816, 796664, 896247, 977724, 1194996, 1792494, 1955448, 2389992, 2688741, 3584988, 5377482, 7169976, 10754964, 21509928]

約数ペア:

[(1, 21509928), (2, 10754964), (3, 7169976), (4, 5377482), (6, 3584988), (8, 2688741), (9, 2389992), (11, 1955448), (12, 1792494), (18, 1194996), (22, 977724), (24, 896247), (27, 796664), (33, 651816), (36, 597498), (44, 488862), (54, 398332), (66, 325908), (72, 298749), (88, 244431), (99, 217272), (108, 199166), (121, 177768), (132, 162954), (198, 108636), (216, 99583), (242, 88884), (264, 81477), (297, 72424), (363, 59256), (396, 54318), (484, 44442), (594, 36212), (726, 29628), (792, 27159), (823, 26136), (968, 22221), (1089, 19752), (1188, 18106), (1452, 14814), (1646, 13068), (2178, 9876), (2376, 9053), (2469, 8712), (2904, 7407), (3267, 6584), (3292, 6534), (4356, 4938)]