21465934

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 20835506

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 47, 94, 101, 119, 133, 202, 238, 266, 323, 329, 646, 658, 707, 799, 893, 1414, 1598, 1717, 1786, 1919, 2261, 3434, 3838, 4522, 4747, 5593, 6251, 9494, 11186, 12019, 12502, 13433, 15181, 24038, 26866, 30362, 32623, 33229, 65246, 66458, 80699, 90193, 106267, 161398, 180386, 212534, 228361, 456722, 564893, 631351, 1129786, 1262702, 1533281, 3066562, 10732967, 21465934]

約数ペア:

[(1, 21465934), (2, 10732967), (7, 3066562), (14, 1533281), (17, 1262702), (19, 1129786), (34, 631351), (38, 564893), (47, 456722), (94, 228361), (101, 212534), (119, 180386), (133, 161398), (202, 106267), (238, 90193), (266, 80699), (323, 66458), (329, 65246), (646, 33229), (658, 32623), (707, 30362), (799, 26866), (893, 24038), (1414, 15181), (1598, 13433), (1717, 12502), (1786, 12019), (1919, 11186), (2261, 9494), (3434, 6251), (3838, 5593), (4522, 4747)]