21885578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1297}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 39251520

約数和(自身を除く): 17365942

約数列:

[1, 2, 11, 13, 22, 26, 59, 118, 143, 286, 649, 767, 1297, 1298, 1534, 2594, 8437, 14267, 16861, 16874, 28534, 33722, 76523, 153046, 185471, 370942, 841753, 994799, 1683506, 1989598, 10942789, 21885578]

約数ペア:

[(1, 21885578), (2, 10942789), (11, 1989598), (13, 1683506), (22, 994799), (26, 841753), (59, 370942), (118, 185471), (143, 153046), (286, 76523), (649, 33722), (767, 28534), (1297, 16874), (1298, 16861), (1534, 14267), (2594, 8437)]