21158020798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{49409}}^1$

素因数の和:49680

約数の個数: 32

約数和(自身を含む): 34152192000

約数和(自身を除く): 12994171202

約数列:

[1, 2, 19, 38, 59, 118, 191, 382, 1121, 2242, 3629, 7258, 11269, 22538, 49409, 98818, 214111, 428222, 938771, 1877542, 2915131, 5830262, 9437119, 18874238, 55387489, 110774978, 179305261, 358610522, 556790021, 1113580042, 10579010399, 21158020798]

約数ペア:

[(1, 21158020798), (2, 10579010399), (19, 1113580042), (38, 556790021), (59, 358610522), (118, 179305261), (191, 110774978), (382, 55387489), (1121, 18874238), (2242, 9437119), (3629, 5830262), (7258, 2915131), (11269, 1877542), (22538, 938771), (49409, 428222), (98818, 214111)]