21215246

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2729}}^1$

素因数の和:2780

約数の個数: 24

約数和(自身を含む): 35970480

約数和(自身を除く): 14755234

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 2729, 3887, 5458, 7774, 35477, 62767, 70954, 125534, 461201, 815971, 922402, 1631942, 10607623, 21215246]

約数ペア:

[(1, 21215246), (2, 10607623), (13, 1631942), (23, 922402), (26, 815971), (46, 461201), (169, 125534), (299, 70954), (338, 62767), (598, 35477), (2729, 7774), (3887, 5458)]