21574207828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 40918590720

約数和(自身を除く): 19344382892

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 239, 478, 713, 956, 961, 1021, 1426, 1922, 2042, 2852, 3844, 4084, 5497, 7409, 10994, 14818, 21988, 22103, 23483, 29636, 31651, 44206, 46966, 63302, 88412, 93932, 126604, 170407, 229679, 244019, 340814, 459358, 488038, 681628, 727973, 918716, 976076, 981181, 1455946, 1962362, 2911892, 3924724, 5282617, 5612437, 7564589, 10565234, 11224874, 15129178, 21130468, 22449748, 22567163, 30258356, 45134326, 90268652, 173985547, 234502259, 347971094, 469004518, 695942188, 938009036, 5393551957, 10787103914, 21574207828]

約数ペア:

[(1, 21574207828), (2, 10787103914), (4, 5393551957), (23, 938009036), (31, 695942188), (46, 469004518), (62, 347971094), (92, 234502259), (124, 173985547), (239, 90268652), (478, 45134326), (713, 30258356), (956, 22567163), (961, 22449748), (1021, 21130468), (1426, 15129178), (1922, 11224874), (2042, 10565234), (2852, 7564589), (3844, 5612437), (4084, 5282617), (5497, 3924724), (7409, 2911892), (10994, 1962362), (14818, 1455946), (21988, 981181), (22103, 976076), (23483, 918716), (29636, 727973), (31651, 681628), (44206, 488038), (46966, 459358), (63302, 340814), (88412, 244019), (93932, 229679), (126604, 170407)]