21308082

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 45067200

約数和(自身を除く): 23759118

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 409, 457, 818, 914, 1227, 1371, 2454, 2742, 7771, 8683, 15542, 17366, 23313, 26049, 46626, 52098, 186913, 373826, 560739, 1121478, 3551347, 7102694, 10654041, 21308082]

約数ペア:

[(1, 21308082), (2, 10654041), (3, 7102694), (6, 3551347), (19, 1121478), (38, 560739), (57, 373826), (114, 186913), (409, 52098), (457, 46626), (818, 26049), (914, 23313), (1227, 17366), (1371, 15542), (2454, 8683), (2742, 7771)]