21059948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1231}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 46362624

約数和(自身を除く): 25302676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 182, 188, 329, 364, 611, 658, 1222, 1231, 1316, 2444, 2462, 4277, 4924, 8554, 8617, 16003, 17108, 17234, 32006, 34468, 57857, 64012, 112021, 115714, 224042, 231428, 404999, 448084, 752141, 809998, 1504282, 1619996, 3008564, 5264987, 10529974, 21059948]

約数ペア:

[(1, 21059948), (2, 10529974), (4, 5264987), (7, 3008564), (13, 1619996), (14, 1504282), (26, 809998), (28, 752141), (47, 448084), (52, 404999), (91, 231428), (94, 224042), (182, 115714), (188, 112021), (329, 64012), (364, 57857), (611, 34468), (658, 32006), (1222, 17234), (1231, 17108), (1316, 16003), (2444, 8617), (2462, 8554), (4277, 4924)]