21830358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 50637312

約数和(自身を除く): 28806954

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 73, 138, 146, 197, 219, 253, 394, 438, 506, 591, 759, 803, 1182, 1518, 1606, 1679, 2167, 2409, 3358, 4334, 4531, 4818, 5037, 6501, 9062, 10074, 13002, 13593, 14381, 18469, 27186, 28762, 36938, 43143, 49841, 55407, 86286, 99682, 110814, 149523, 158191, 299046, 316382, 330763, 474573, 661526, 949146, 992289, 1984578, 3638393, 7276786, 10915179, 21830358]

約数ペア:

[(1, 21830358), (2, 10915179), (3, 7276786), (6, 3638393), (11, 1984578), (22, 992289), (23, 949146), (33, 661526), (46, 474573), (66, 330763), (69, 316382), (73, 299046), (138, 158191), (146, 149523), (197, 110814), (219, 99682), (253, 86286), (394, 55407), (438, 49841), (506, 43143), (591, 36938), (759, 28762), (803, 27186), (1182, 18469), (1518, 14381), (1606, 13593), (1679, 13002), (2167, 10074), (2409, 9062), (3358, 6501), (4334, 5037), (4531, 4818)]