21771708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 40159812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 59, 69, 84, 92, 118, 138, 161, 177, 191, 236, 276, 322, 354, 382, 413, 483, 573, 644, 708, 764, 826, 966, 1146, 1239, 1337, 1357, 1652, 1932, 2292, 2478, 2674, 2714, 4011, 4071, 4393, 4956, 5348, 5428, 8022, 8142, 8786, 9499, 11269, 13179, 16044, 16284, 17572, 18998, 22538, 26358, 28497, 30751, 33807, 37996, 45076, 52716, 56994, 61502, 67614, 78883, 92253, 113988, 123004, 135228, 157766, 184506, 236649, 259187, 315532, 369012, 473298, 518374, 777561, 946596, 1036748, 1555122, 1814309, 3110244, 3628618, 5442927, 7257236, 10885854, 21771708]

約数ペア:

[(1, 21771708), (2, 10885854), (3, 7257236), (4, 5442927), (6, 3628618), (7, 3110244), (12, 1814309), (14, 1555122), (21, 1036748), (23, 946596), (28, 777561), (42, 518374), (46, 473298), (59, 369012), (69, 315532), (84, 259187), (92, 236649), (118, 184506), (138, 157766), (161, 135228), (177, 123004), (191, 113988), (236, 92253), (276, 78883), (322, 67614), (354, 61502), (382, 56994), (413, 52716), (483, 45076), (573, 37996), (644, 33807), (708, 30751), (764, 28497), (826, 26358), (966, 22538), (1146, 18998), (1239, 17572), (1337, 16284), (1357, 16044), (1652, 13179), (1932, 11269), (2292, 9499), (2478, 8786), (2674, 8142), (2714, 8022), (4011, 5428), (4071, 5348), (4393, 4956)]