21885528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 45852072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 79, 84, 97, 102, 119, 136, 158, 168, 194, 204, 237, 238, 291, 316, 357, 388, 408, 474, 476, 553, 582, 632, 679, 714, 776, 948, 952, 1106, 1164, 1343, 1358, 1428, 1649, 1659, 1896, 2037, 2212, 2328, 2686, 2716, 2856, 3298, 3318, 4029, 4074, 4424, 4947, 5372, 5432, 6596, 6636, 7663, 8058, 8148, 9401, 9894, 10744, 11543, 13192, 13272, 15326, 16116, 16296, 18802, 19788, 22989, 23086, 28203, 30652, 32232, 34629, 37604, 39576, 45978, 46172, 53641, 56406, 61304, 69258, 75208, 91956, 92344, 107282, 112812, 130271, 138516, 160923, 183912, 214564, 225624, 260542, 277032, 321846, 390813, 429128, 521084, 643692, 781626, 911897, 1042168, 1287384, 1563252, 1823794, 2735691, 3126504, 3647588, 5471382, 7295176, 10942764, 21885528]

約数ペア:

[(1, 21885528), (2, 10942764), (3, 7295176), (4, 5471382), (6, 3647588), (7, 3126504), (8, 2735691), (12, 1823794), (14, 1563252), (17, 1287384), (21, 1042168), (24, 911897), (28, 781626), (34, 643692), (42, 521084), (51, 429128), (56, 390813), (68, 321846), (79, 277032), (84, 260542), (97, 225624), (102, 214564), (119, 183912), (136, 160923), (158, 138516), (168, 130271), (194, 112812), (204, 107282), (237, 92344), (238, 91956), (291, 75208), (316, 69258), (357, 61304), (388, 56406), (408, 53641), (474, 46172), (476, 45978), (553, 39576), (582, 37604), (632, 34629), (679, 32232), (714, 30652), (776, 28203), (948, 23086), (952, 22989), (1106, 19788), (1164, 18802), (1343, 16296), (1358, 16116), (1428, 15326), (1649, 13272), (1659, 13192), (1896, 11543), (2037, 10744), (2212, 9894), (2328, 9401), (2686, 8148), (2716, 8058), (2856, 7663), (3298, 6636), (3318, 6596), (4029, 5432), (4074, 5372), (4424, 4947)]