21747068

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4339}}^1$

素因数の和:4529

約数の個数: 24

約数和(自身を含む): 43747200

約数和(自身を除く): 22000132

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4339, 5012, 8678, 17356, 30373, 60746, 121492, 776681, 1553362, 3106724, 5436767, 10873534, 21747068]

約数ペア:

[(1, 21747068), (2, 10873534), (4, 5436767), (7, 3106724), (14, 1553362), (28, 776681), (179, 121492), (358, 60746), (716, 30373), (1253, 17356), (2506, 8678), (4339, 5012)]