21299502

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6947}}^1$

素因数の和:7032

約数の個数: 32

約数和(自身を含む): 49358592

約数和(自身を除く): 28059090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 6947, 13894, 20841, 41682, 48629, 97258, 145887, 291774, 507131, 1014262, 1521393, 3042786, 3549917, 7099834, 10649751, 21299502]

約数ペア:

[(1, 21299502), (2, 10649751), (3, 7099834), (6, 3549917), (7, 3042786), (14, 1521393), (21, 1014262), (42, 507131), (73, 291774), (146, 145887), (219, 97258), (438, 48629), (511, 41682), (1022, 20841), (1533, 13894), (3066, 6947)]