84021940

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{18839}}^1$

素因数の和:19071

約数の個数: 24

約数和(自身を含む): 177246720

約数和(自身を除く): 93224780

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 18839, 37678, 75356, 94195, 188390, 376780, 4201097, 8402194, 16804388, 21005485, 42010970, 84021940]

約数ペア:

[(1, 84021940), (2, 42010970), (4, 21005485), (5, 16804388), (10, 8402194), (20, 4201097), (223, 376780), (446, 188390), (892, 94195), (1115, 75356), (2230, 37678), (4460, 18839)]