21428498

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 39795840

約数和(自身を除く): 18367342

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 281, 419, 562, 838, 1967, 2933, 3653, 3934, 5447, 5866, 7306, 10894, 25571, 38129, 51142, 76258, 117739, 235478, 824173, 1530607, 1648346, 3061214, 10714249, 21428498]

約数ペア:

[(1, 21428498), (2, 10714249), (7, 3061214), (13, 1648346), (14, 1530607), (26, 824173), (91, 235478), (182, 117739), (281, 76258), (419, 51142), (562, 38129), (838, 25571), (1967, 10894), (2933, 7306), (3653, 5866), (3934, 5447)]