21041132

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39551}}^1$

素因数の和:39581

約数の個数: 24

約数和(自身を含む): 44298240

約数和(自身を除く): 23257108

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39551, 79102, 158204, 276857, 553714, 751469, 1107428, 1502938, 3005876, 5260283, 10520566, 21041132]

約数ペア:

[(1, 21041132), (2, 10520566), (4, 5260283), (7, 3005876), (14, 1502938), (19, 1107428), (28, 751469), (38, 553714), (76, 276857), (133, 158204), (266, 79102), (532, 39551)]