21998520072

素因数分解:

$2^3\times 3^2\times {\mathrm{305535001}}^1$

素因数の和:305535013

約数の個数: 24

約数和(自身を含む): 59579325390

約数和(自身を除く): 37580805318

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305535001, 611070002, 916605003, 1222140004, 1833210006, 2444280008, 2749815009, 3666420012, 5499630018, 7332840024, 10999260036, 21998520072]

約数ペア:

[(1, 21998520072), (2, 10999260036), (3, 7332840024), (4, 5499630018), (6, 3666420012), (8, 2749815009), (9, 2444280008), (12, 1833210006), (18, 1222140004), (24, 916605003), (36, 611070002), (72, 305535001)]