21867618

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 45914112

約数和(自身を除く): 24046494

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 211, 422, 633, 751, 1266, 1502, 2253, 4506, 4853, 9706, 14559, 17273, 29118, 34546, 51819, 103638, 158461, 316922, 475383, 950766, 3644603, 7289206, 10933809, 21867618]

約数ペア:

[(1, 21867618), (2, 10933809), (3, 7289206), (6, 3644603), (23, 950766), (46, 475383), (69, 316922), (138, 158461), (211, 103638), (422, 51819), (633, 34546), (751, 29118), (1266, 17273), (1502, 14559), (2253, 9706), (4506, 4853)]