21684684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3853}}^1$

素因数の和:3934

約数の個数: 48

約数和(自身を含む): 58704128

約数和(自身を除く): 37019444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3853, 5628, 7706, 11559, 15412, 23118, 26971, 46236, 53942, 80913, 107884, 161826, 258151, 323652, 516302, 774453, 1032604, 1548906, 1807057, 3097812, 3614114, 5421171, 7228228, 10842342, 21684684]

約数ペア:

[(1, 21684684), (2, 10842342), (3, 7228228), (4, 5421171), (6, 3614114), (7, 3097812), (12, 1807057), (14, 1548906), (21, 1032604), (28, 774453), (42, 516302), (67, 323652), (84, 258151), (134, 161826), (201, 107884), (268, 80913), (402, 53942), (469, 46236), (804, 26971), (938, 23118), (1407, 15412), (1876, 11559), (2814, 7706), (3853, 5628)]