21373628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2459}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 39054960

約数和(自身を除く): 17681332

約数列:

[1, 2, 4, 41, 53, 82, 106, 164, 212, 2173, 2459, 4346, 4918, 8692, 9836, 100819, 130327, 201638, 260654, 403276, 521308, 5343407, 10686814, 21373628]

約数ペア:

[(1, 21373628), (2, 10686814), (4, 5343407), (41, 521308), (53, 403276), (82, 260654), (106, 201638), (164, 130327), (212, 100819), (2173, 9836), (2459, 8692), (4346, 4918)]