21605892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 63974400

約数和(自身を除く): 42368508

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 67, 77, 84, 132, 134, 154, 201, 231, 268, 308, 349, 402, 462, 469, 698, 737, 804, 924, 938, 1047, 1396, 1407, 1474, 1876, 2094, 2211, 2443, 2814, 2948, 3839, 4188, 4422, 4886, 5159, 5628, 7329, 7678, 8844, 9772, 10318, 11517, 14658, 15356, 15477, 20636, 23034, 23383, 26873, 29316, 30954, 46068, 46766, 53746, 61908, 70149, 80619, 93532, 107492, 140298, 161238, 163681, 257213, 280596, 322476, 327362, 491043, 514426, 654724, 771639, 982086, 1028852, 1543278, 1800491, 1964172, 3086556, 3600982, 5401473, 7201964, 10802946, 21605892]

約数ペア:

[(1, 21605892), (2, 10802946), (3, 7201964), (4, 5401473), (6, 3600982), (7, 3086556), (11, 1964172), (12, 1800491), (14, 1543278), (21, 1028852), (22, 982086), (28, 771639), (33, 654724), (42, 514426), (44, 491043), (66, 327362), (67, 322476), (77, 280596), (84, 257213), (132, 163681), (134, 161238), (154, 140298), (201, 107492), (231, 93532), (268, 80619), (308, 70149), (349, 61908), (402, 53746), (462, 46766), (469, 46068), (698, 30954), (737, 29316), (804, 26873), (924, 23383), (938, 23034), (1047, 20636), (1396, 15477), (1407, 15356), (1474, 14658), (1876, 11517), (2094, 10318), (2211, 9772), (2443, 8844), (2814, 7678), (2948, 7329), (3839, 5628), (4188, 5159), (4422, 4886)]