21688344

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 64512000

約数和(自身を除く): 42823656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 41, 54, 62, 72, 79, 82, 93, 108, 123, 124, 158, 164, 186, 216, 237, 246, 248, 279, 316, 328, 369, 372, 474, 492, 558, 632, 711, 738, 744, 837, 948, 984, 1107, 1116, 1271, 1422, 1476, 1674, 1896, 2133, 2214, 2232, 2449, 2542, 2844, 2952, 3239, 3348, 3813, 4266, 4428, 4898, 5084, 5688, 6478, 6696, 7347, 7626, 8532, 8856, 9717, 9796, 10168, 11439, 12956, 14694, 15252, 17064, 19434, 19592, 22041, 22878, 25912, 29151, 29388, 30504, 34317, 38868, 44082, 45756, 58302, 58776, 66123, 68634, 77736, 87453, 88164, 91512, 100409, 116604, 132246, 137268, 174906, 176328, 200818, 233208, 264492, 274536, 301227, 349812, 401636, 528984, 602454, 699624, 803272, 903681, 1204908, 1807362, 2409816, 2711043, 3614724, 5422086, 7229448, 10844172, 21688344]

約数ペア:

[(1, 21688344), (2, 10844172), (3, 7229448), (4, 5422086), (6, 3614724), (8, 2711043), (9, 2409816), (12, 1807362), (18, 1204908), (24, 903681), (27, 803272), (31, 699624), (36, 602454), (41, 528984), (54, 401636), (62, 349812), (72, 301227), (79, 274536), (82, 264492), (93, 233208), (108, 200818), (123, 176328), (124, 174906), (158, 137268), (164, 132246), (186, 116604), (216, 100409), (237, 91512), (246, 88164), (248, 87453), (279, 77736), (316, 68634), (328, 66123), (369, 58776), (372, 58302), (474, 45756), (492, 44082), (558, 38868), (632, 34317), (711, 30504), (738, 29388), (744, 29151), (837, 25912), (948, 22878), (984, 22041), (1107, 19592), (1116, 19434), (1271, 17064), (1422, 15252), (1476, 14694), (1674, 12956), (1896, 11439), (2133, 10168), (2214, 9796), (2232, 9717), (2449, 8856), (2542, 8532), (2844, 7626), (2952, 7347), (3239, 6696), (3348, 6478), (3813, 5688), (4266, 5084), (4428, 4898)]