21932270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 42055200

約数和(自身を除く): 20122930

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1297, 1691, 2594, 3382, 6485, 8455, 12970, 16910, 24643, 49286, 115433, 123215, 230866, 246430, 577165, 1154330, 2193227, 4386454, 10966135, 21932270]

約数ペア:

[(1, 21932270), (2, 10966135), (5, 4386454), (10, 2193227), (19, 1154330), (38, 577165), (89, 246430), (95, 230866), (178, 123215), (190, 115433), (445, 49286), (890, 24643), (1297, 16910), (1691, 12970), (2594, 8455), (3382, 6485)]