21497448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3178

約数の個数: 64

約数和(自身を含む): 62939520

約数和(自身を除く): 41442072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3121, 3444, 6242, 6888, 9363, 12484, 18726, 21847, 24968, 37452, 43694, 65541, 74904, 87388, 127961, 131082, 174776, 255922, 262164, 383883, 511844, 524328, 767766, 895727, 1023688, 1535532, 1791454, 2687181, 3071064, 3582908, 5374362, 7165816, 10748724, 21497448]

約数ペア:

[(1, 21497448), (2, 10748724), (3, 7165816), (4, 5374362), (6, 3582908), (7, 3071064), (8, 2687181), (12, 1791454), (14, 1535532), (21, 1023688), (24, 895727), (28, 767766), (41, 524328), (42, 511844), (56, 383883), (82, 262164), (84, 255922), (123, 174776), (164, 131082), (168, 127961), (246, 87388), (287, 74904), (328, 65541), (492, 43694), (574, 37452), (861, 24968), (984, 21847), (1148, 18726), (1722, 12484), (2296, 9363), (3121, 6888), (3444, 6242)]