21408042

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 23105238

約数列:

[1, 2, 3, 6, 31, 62, 93, 179, 186, 358, 537, 643, 1074, 1286, 1929, 3858, 5549, 11098, 16647, 19933, 33294, 39866, 59799, 115097, 119598, 230194, 345291, 690582, 3568007, 7136014, 10704021, 21408042]

約数ペア:

[(1, 21408042), (2, 10704021), (3, 7136014), (6, 3568007), (31, 690582), (62, 345291), (93, 230194), (179, 119598), (186, 115097), (358, 59799), (537, 39866), (643, 33294), (1074, 19933), (1286, 16647), (1929, 11098), (3858, 5549)]