21062028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 56306880

約数和(自身を除く): 35244852

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 41, 52, 74, 78, 82, 89, 111, 123, 148, 156, 164, 178, 222, 246, 267, 356, 444, 481, 492, 533, 534, 962, 1066, 1068, 1157, 1443, 1517, 1599, 1924, 2132, 2314, 2886, 3034, 3198, 3293, 3471, 3649, 4551, 4628, 5772, 6068, 6396, 6586, 6942, 7298, 9102, 9879, 10947, 13172, 13884, 14596, 18204, 19721, 19758, 21894, 39442, 39516, 42809, 43788, 47437, 59163, 78884, 85618, 94874, 118326, 128427, 135013, 142311, 171236, 189748, 236652, 256854, 270026, 284622, 405039, 513708, 540052, 569244, 810078, 1620156, 1755169, 3510338, 5265507, 7020676, 10531014, 21062028]

約数ペア:

[(1, 21062028), (2, 10531014), (3, 7020676), (4, 5265507), (6, 3510338), (12, 1755169), (13, 1620156), (26, 810078), (37, 569244), (39, 540052), (41, 513708), (52, 405039), (74, 284622), (78, 270026), (82, 256854), (89, 236652), (111, 189748), (123, 171236), (148, 142311), (156, 135013), (164, 128427), (178, 118326), (222, 94874), (246, 85618), (267, 78884), (356, 59163), (444, 47437), (481, 43788), (492, 42809), (533, 39516), (534, 39442), (962, 21894), (1066, 19758), (1068, 19721), (1157, 18204), (1443, 14596), (1517, 13884), (1599, 13172), (1924, 10947), (2132, 9879), (2314, 9102), (2886, 7298), (3034, 6942), (3198, 6586), (3293, 6396), (3471, 6068), (3649, 5772), (4551, 4628)]