21416142

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2477}}^1$

素因数の和:2624

約数の個数: 32

約数和(自身を含む): 47101824

約数和(自身を除く): 25685682

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2477, 2882, 4323, 4954, 7431, 8646, 14862, 27247, 54494, 81741, 163482, 324487, 648974, 973461, 1946922, 3569357, 7138714, 10708071, 21416142]

約数ペア:

[(1, 21416142), (2, 10708071), (3, 7138714), (6, 3569357), (11, 1946922), (22, 973461), (33, 648974), (66, 324487), (131, 163482), (262, 81741), (393, 54494), (786, 27247), (1441, 14862), (2477, 8646), (2882, 7431), (4323, 4954)]