21903378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30677}}^1$

素因数の和:30706

約数の個数: 32

約数和(自身を含む): 53011584

約数和(自身を除く): 31108206

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 30677, 61354, 92031, 184062, 214739, 429478, 521509, 644217, 1043018, 1288434, 1564527, 3129054, 3650563, 7301126, 10951689, 21903378]

約数ペア:

[(1, 21903378), (2, 10951689), (3, 7301126), (6, 3650563), (7, 3129054), (14, 1564527), (17, 1288434), (21, 1043018), (34, 644217), (42, 521509), (51, 429478), (102, 214739), (119, 184062), (238, 92031), (357, 61354), (714, 30677)]