21397992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11579}}^1$

素因数の和:11606

約数の個数: 64

約数和(自身を含む): 66700800

約数和(自身を除く): 45302808

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11579, 23158, 34737, 46316, 69474, 81053, 92632, 127369, 138948, 162106, 243159, 254738, 277896, 324212, 382107, 486318, 509476, 648424, 764214, 891583, 972636, 1018952, 1528428, 1783166, 1945272, 2674749, 3056856, 3566332, 5349498, 7132664, 10698996, 21397992]

約数ペア:

[(1, 21397992), (2, 10698996), (3, 7132664), (4, 5349498), (6, 3566332), (7, 3056856), (8, 2674749), (11, 1945272), (12, 1783166), (14, 1528428), (21, 1018952), (22, 972636), (24, 891583), (28, 764214), (33, 648424), (42, 509476), (44, 486318), (56, 382107), (66, 324212), (77, 277896), (84, 254738), (88, 243159), (132, 162106), (154, 138948), (168, 127369), (231, 92632), (264, 81053), (308, 69474), (462, 46316), (616, 34737), (924, 23158), (1848, 11579)]