21568458

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 45771840

約数和(自身を除く): 24203382

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 137, 274, 411, 822, 1381, 2603, 2762, 4143, 5206, 7809, 8286, 15618, 26239, 52478, 78717, 157434, 189197, 378394, 567591, 1135182, 3594743, 7189486, 10784229, 21568458]

約数ペア:

[(1, 21568458), (2, 10784229), (3, 7189486), (6, 3594743), (19, 1135182), (38, 567591), (57, 378394), (114, 189197), (137, 157434), (274, 78717), (411, 52478), (822, 26239), (1381, 15618), (2603, 8286), (2762, 7809), (4143, 5206)]