21292502

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{383}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 42135552

約数和(自身を除く): 20843050

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 361, 383, 418, 722, 766, 1463, 2527, 2681, 2926, 3971, 4213, 5054, 5362, 7277, 7942, 8426, 14554, 27797, 29491, 50939, 55594, 58982, 80047, 101878, 138263, 160094, 276526, 560329, 967841, 1120658, 1520893, 1935682, 3041786, 10646251, 21292502]

約数ペア:

[(1, 21292502), (2, 10646251), (7, 3041786), (11, 1935682), (14, 1520893), (19, 1120658), (22, 967841), (38, 560329), (77, 276526), (133, 160094), (154, 138263), (209, 101878), (266, 80047), (361, 58982), (383, 55594), (418, 50939), (722, 29491), (766, 27797), (1463, 14554), (2527, 8426), (2681, 7942), (2926, 7277), (3971, 5362), (4213, 5054)]