21564534

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3989}}^1$

素因数の和:4064

約数の個数: 32

約数和(自身を含む): 46539360

約数和(自身を除く): 24974826

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 159, 318, 901, 1802, 2703, 3989, 5406, 7978, 11967, 23934, 67813, 135626, 203439, 211417, 406878, 422834, 634251, 1268502, 3594089, 7188178, 10782267, 21564534]

約数ペア:

[(1, 21564534), (2, 10782267), (3, 7188178), (6, 3594089), (17, 1268502), (34, 634251), (51, 422834), (53, 406878), (102, 211417), (106, 203439), (159, 135626), (318, 67813), (901, 23934), (1802, 11967), (2703, 7978), (3989, 5406)]