21284376

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 56181600

約数和(自身を除く): 34897224

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 53, 58, 87, 106, 116, 159, 174, 212, 232, 318, 348, 424, 577, 636, 696, 1154, 1272, 1537, 1731, 2308, 3074, 3462, 4611, 4616, 6148, 6924, 9222, 12296, 13848, 16733, 18444, 30581, 33466, 36888, 50199, 61162, 66932, 91743, 100398, 122324, 133864, 183486, 200796, 244648, 366972, 401592, 733944, 886849, 1773698, 2660547, 3547396, 5321094, 7094792, 10642188, 21284376]

約数ペア:

[(1, 21284376), (2, 10642188), (3, 7094792), (4, 5321094), (6, 3547396), (8, 2660547), (12, 1773698), (24, 886849), (29, 733944), (53, 401592), (58, 366972), (87, 244648), (106, 200796), (116, 183486), (159, 133864), (174, 122324), (212, 100398), (232, 91743), (318, 66932), (348, 61162), (424, 50199), (577, 36888), (636, 33466), (696, 30581), (1154, 18444), (1272, 16733), (1537, 13848), (1731, 12296), (2308, 9222), (3074, 6924), (3462, 6148), (4611, 4616)]