21624267

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{563}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 34652160

約数和(自身を除く): 13027893

約数列:

[1, 3, 7, 21, 31, 59, 93, 177, 217, 413, 563, 651, 1239, 1689, 1829, 3941, 5487, 11823, 12803, 17453, 33217, 38409, 52359, 99651, 122171, 232519, 366513, 697557, 1029727, 3089181, 7208089, 21624267]

約数ペア:

[(1, 21624267), (3, 7208089), (7, 3089181), (21, 1029727), (31, 697557), (59, 366513), (93, 232519), (177, 122171), (217, 99651), (413, 52359), (563, 38409), (651, 33217), (1239, 17453), (1689, 12803), (1829, 11823), (3941, 5487)]