21947544

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 44580456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 43, 51, 54, 68, 72, 86, 102, 108, 129, 136, 139, 153, 172, 204, 216, 258, 278, 306, 344, 387, 408, 417, 459, 516, 556, 612, 731, 774, 834, 918, 1032, 1112, 1161, 1224, 1251, 1462, 1548, 1668, 1836, 2193, 2322, 2363, 2502, 2924, 3096, 3336, 3672, 3753, 4386, 4644, 4726, 5004, 5848, 5977, 6579, 7089, 7506, 8772, 9288, 9452, 10008, 11954, 13158, 14178, 15012, 17544, 17931, 18904, 19737, 21267, 23908, 26316, 28356, 30024, 35862, 39474, 42534, 47816, 52632, 53793, 56712, 63801, 71724, 78948, 85068, 101609, 107586, 127602, 143448, 157896, 161379, 170136, 203218, 215172, 255204, 304827, 322758, 406436, 430344, 510408, 609654, 645516, 812872, 914481, 1219308, 1291032, 1828962, 2438616, 2743443, 3657924, 5486886, 7315848, 10973772, 21947544]

約数ペア:

[(1, 21947544), (2, 10973772), (3, 7315848), (4, 5486886), (6, 3657924), (8, 2743443), (9, 2438616), (12, 1828962), (17, 1291032), (18, 1219308), (24, 914481), (27, 812872), (34, 645516), (36, 609654), (43, 510408), (51, 430344), (54, 406436), (68, 322758), (72, 304827), (86, 255204), (102, 215172), (108, 203218), (129, 170136), (136, 161379), (139, 157896), (153, 143448), (172, 127602), (204, 107586), (216, 101609), (258, 85068), (278, 78948), (306, 71724), (344, 63801), (387, 56712), (408, 53793), (417, 52632), (459, 47816), (516, 42534), (556, 39474), (612, 35862), (731, 30024), (774, 28356), (834, 26316), (918, 23908), (1032, 21267), (1112, 19737), (1161, 18904), (1224, 17931), (1251, 17544), (1462, 15012), (1548, 14178), (1668, 13158), (1836, 11954), (2193, 10008), (2322, 9452), (2363, 9288), (2502, 8772), (2924, 7506), (3096, 7089), (3336, 6579), (3672, 5977), (3753, 5848), (4386, 5004), (4644, 4726)]