21270816

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{3517}}^1$

素因数の和:3543

約数の個数: 96

約数和(自身を含む): 70922880

約数和(自身を除く): 49652064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 3517, 6048, 7034, 10551, 14068, 21102, 24619, 28136, 31653, 42204, 49238, 56272, 63306, 73857, 84408, 94959, 98476, 112544, 126612, 147714, 168816, 189918, 196952, 221571, 253224, 295428, 337632, 379836, 393904, 443142, 506448, 590856, 664713, 759672, 787808, 886284, 1012896, 1181712, 1329426, 1519344, 1772568, 2363424, 2658852, 3038688, 3545136, 5317704, 7090272, 10635408, 21270816]

約数ペア:

[(1, 21270816), (2, 10635408), (3, 7090272), (4, 5317704), (6, 3545136), (7, 3038688), (8, 2658852), (9, 2363424), (12, 1772568), (14, 1519344), (16, 1329426), (18, 1181712), (21, 1012896), (24, 886284), (27, 787808), (28, 759672), (32, 664713), (36, 590856), (42, 506448), (48, 443142), (54, 393904), (56, 379836), (63, 337632), (72, 295428), (84, 253224), (96, 221571), (108, 196952), (112, 189918), (126, 168816), (144, 147714), (168, 126612), (189, 112544), (216, 98476), (224, 94959), (252, 84408), (288, 73857), (336, 63306), (378, 56272), (432, 49238), (504, 42204), (672, 31653), (756, 28136), (864, 24619), (1008, 21102), (1512, 14068), (2016, 10551), (3024, 7034), (3517, 6048)]