21951538

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 39043584

約数和(自身を除く): 17092046

約数列:

[1, 2, 7, 14, 47, 73, 94, 146, 329, 457, 511, 658, 914, 1022, 3199, 3431, 6398, 6862, 21479, 24017, 33361, 42958, 48034, 66722, 150353, 233527, 300706, 467054, 1567967, 3135934, 10975769, 21951538]

約数ペア:

[(1, 21951538), (2, 10975769), (7, 3135934), (14, 1567967), (47, 467054), (73, 300706), (94, 233527), (146, 150353), (329, 66722), (457, 48034), (511, 42958), (658, 33361), (914, 24017), (1022, 21479), (3199, 6862), (3431, 6398)]