21147612

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 51864960

約数和(自身を除く): 30717348

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 67, 87, 116, 134, 174, 201, 268, 348, 402, 804, 907, 1814, 1943, 2721, 3628, 3886, 5442, 5829, 7772, 10884, 11658, 23316, 26303, 52606, 60769, 78909, 105212, 121538, 157818, 182307, 243076, 315636, 364614, 729228, 1762301, 3524602, 5286903, 7049204, 10573806, 21147612]

約数ペア:

[(1, 21147612), (2, 10573806), (3, 7049204), (4, 5286903), (6, 3524602), (12, 1762301), (29, 729228), (58, 364614), (67, 315636), (87, 243076), (116, 182307), (134, 157818), (174, 121538), (201, 105212), (268, 78909), (348, 60769), (402, 52606), (804, 26303), (907, 23316), (1814, 11658), (1943, 10884), (2721, 7772), (3628, 5829), (3886, 5442)]