21594244

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 23402876

約数列:

[1, 2, 4, 7, 14, 28, 47, 61, 94, 122, 188, 244, 269, 329, 427, 538, 658, 854, 1076, 1316, 1708, 1883, 2867, 3766, 5734, 7532, 11468, 12643, 16409, 20069, 25286, 32818, 40138, 50572, 65636, 80276, 88501, 114863, 177002, 229726, 354004, 459452, 771223, 1542446, 3084892, 5398561, 10797122, 21594244]

約数ペア:

[(1, 21594244), (2, 10797122), (4, 5398561), (7, 3084892), (14, 1542446), (28, 771223), (47, 459452), (61, 354004), (94, 229726), (122, 177002), (188, 114863), (244, 88501), (269, 80276), (329, 65636), (427, 50572), (538, 40138), (658, 32818), (854, 25286), (1076, 20069), (1316, 16409), (1708, 12643), (1883, 11468), (2867, 7532), (3766, 5734)]