21784488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 42842712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 43, 44, 57, 66, 76, 86, 88, 101, 114, 129, 132, 152, 172, 202, 209, 228, 258, 264, 303, 344, 404, 418, 456, 473, 516, 606, 627, 808, 817, 836, 946, 1032, 1111, 1212, 1254, 1419, 1634, 1672, 1892, 1919, 2222, 2424, 2451, 2508, 2838, 3268, 3333, 3784, 3838, 4343, 4444, 4902, 5016, 5676, 5757, 6536, 6666, 7676, 8686, 8888, 8987, 9804, 11352, 11514, 13029, 13332, 15352, 17372, 17974, 19608, 21109, 23028, 26058, 26664, 26961, 34744, 35948, 42218, 46056, 47773, 52116, 53922, 63327, 71896, 82517, 84436, 95546, 104232, 107844, 126654, 143319, 165034, 168872, 191092, 215688, 247551, 253308, 286638, 330068, 382184, 495102, 506616, 573276, 660136, 907687, 990204, 1146552, 1815374, 1980408, 2723061, 3630748, 5446122, 7261496, 10892244, 21784488]

約数ペア:

[(1, 21784488), (2, 10892244), (3, 7261496), (4, 5446122), (6, 3630748), (8, 2723061), (11, 1980408), (12, 1815374), (19, 1146552), (22, 990204), (24, 907687), (33, 660136), (38, 573276), (43, 506616), (44, 495102), (57, 382184), (66, 330068), (76, 286638), (86, 253308), (88, 247551), (101, 215688), (114, 191092), (129, 168872), (132, 165034), (152, 143319), (172, 126654), (202, 107844), (209, 104232), (228, 95546), (258, 84436), (264, 82517), (303, 71896), (344, 63327), (404, 53922), (418, 52116), (456, 47773), (473, 46056), (516, 42218), (606, 35948), (627, 34744), (808, 26961), (817, 26664), (836, 26058), (946, 23028), (1032, 21109), (1111, 19608), (1212, 17974), (1254, 17372), (1419, 15352), (1634, 13332), (1672, 13029), (1892, 11514), (1919, 11352), (2222, 9804), (2424, 8987), (2451, 8888), (2508, 8686), (2838, 7676), (3268, 6666), (3333, 6536), (3784, 5757), (3838, 5676), (4343, 5016), (4444, 4902)]