21874548

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2593}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 55200320

約数和(自身を除く): 33325772

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2593, 2812, 4218, 5186, 7779, 8436, 10372, 15558, 31116, 49267, 95941, 98534, 147801, 191882, 197068, 287823, 295602, 383764, 575646, 591204, 1151292, 1822879, 3645758, 5468637, 7291516, 10937274, 21874548]

約数ペア:

[(1, 21874548), (2, 10937274), (3, 7291516), (4, 5468637), (6, 3645758), (12, 1822879), (19, 1151292), (37, 591204), (38, 575646), (57, 383764), (74, 295602), (76, 287823), (111, 197068), (114, 191882), (148, 147801), (222, 98534), (228, 95941), (444, 49267), (703, 31116), (1406, 15558), (2109, 10372), (2593, 8436), (2812, 7779), (4218, 5186)]