21995246

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7109}}^1$

素因数の和:7148

約数の個数: 32

約数和(自身を含む): 43001280

約数和(自身を除く): 21006034

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 7109, 14218, 49763, 92417, 99526, 120853, 184834, 241706, 646919, 845971, 1293838, 1571089, 1691942, 3142178, 10997623, 21995246]

約数ペア:

[(1, 21995246), (2, 10997623), (7, 3142178), (13, 1691942), (14, 1571089), (17, 1293838), (26, 845971), (34, 646919), (91, 241706), (119, 184834), (182, 120853), (221, 99526), (238, 92417), (442, 49763), (1547, 14218), (3094, 7109)]