21865732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 48061440

約数和(自身を除く): 26195708

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1748, 1787, 3059, 3574, 6118, 7148, 12236, 12509, 25018, 33953, 41101, 50036, 67906, 82202, 135812, 164404, 237671, 287707, 475342, 575414, 780919, 950684, 1150828, 1561838, 3123676, 5466433, 10932866, 21865732]

約数ペア:

[(1, 21865732), (2, 10932866), (4, 5466433), (7, 3123676), (14, 1561838), (19, 1150828), (23, 950684), (28, 780919), (38, 575414), (46, 475342), (76, 287707), (92, 237671), (133, 164404), (161, 135812), (266, 82202), (322, 67906), (437, 50036), (532, 41101), (644, 33953), (874, 25018), (1748, 12509), (1787, 12236), (3059, 7148), (3574, 6118)]