21394086

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 50750064

約数和(自身を除く): 29355978

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 294, 318, 371, 742, 1113, 1373, 2226, 2597, 2746, 4119, 5194, 7791, 8238, 9611, 15582, 19222, 28833, 57666, 67277, 72769, 134554, 145538, 201831, 218307, 403662, 436614, 509383, 1018766, 1528149, 3056298, 3565681, 7131362, 10697043, 21394086]

約数ペア:

[(1, 21394086), (2, 10697043), (3, 7131362), (6, 3565681), (7, 3056298), (14, 1528149), (21, 1018766), (42, 509383), (49, 436614), (53, 403662), (98, 218307), (106, 201831), (147, 145538), (159, 134554), (294, 72769), (318, 67277), (371, 57666), (742, 28833), (1113, 19222), (1373, 15582), (2226, 9611), (2597, 8238), (2746, 7791), (4119, 5194)]