21945768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2322

約数の個数: 64

約数和(自身を含む): 61017600

約数和(自身を除く): 39071832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2269, 2418, 3224, 4538, 4836, 6807, 9076, 9672, 13614, 18152, 27228, 29497, 54456, 58994, 70339, 88491, 117988, 140678, 176982, 211017, 235976, 281356, 353964, 422034, 562712, 707928, 844068, 914407, 1688136, 1828814, 2743221, 3657628, 5486442, 7315256, 10972884, 21945768]

約数ペア:

[(1, 21945768), (2, 10972884), (3, 7315256), (4, 5486442), (6, 3657628), (8, 2743221), (12, 1828814), (13, 1688136), (24, 914407), (26, 844068), (31, 707928), (39, 562712), (52, 422034), (62, 353964), (78, 281356), (93, 235976), (104, 211017), (124, 176982), (156, 140678), (186, 117988), (248, 88491), (312, 70339), (372, 58994), (403, 54456), (744, 29497), (806, 27228), (1209, 18152), (1612, 13614), (2269, 9672), (2418, 9076), (3224, 6807), (4538, 4836)]