21167389412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{743}}^1\times {\mathrm{839}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 40054936320

約数和(自身を除く): 18887546908

約数列:

[1, 2, 4, 13, 26, 52, 653, 743, 839, 1306, 1486, 1678, 2612, 2972, 3356, 8489, 9659, 10907, 16978, 19318, 21814, 33956, 38636, 43628, 485179, 547867, 623377, 970358, 1095734, 1246754, 1940716, 2191468, 2493508, 6307327, 7122271, 8103901, 12614654, 14244542, 16207802, 25229308, 28489084, 32415604, 407065181, 814130362, 1628260724, 5291847353, 10583694706, 21167389412]

約数ペア:

[(1, 21167389412), (2, 10583694706), (4, 5291847353), (13, 1628260724), (26, 814130362), (52, 407065181), (653, 32415604), (743, 28489084), (839, 25229308), (1306, 16207802), (1486, 14244542), (1678, 12614654), (2612, 8103901), (2972, 7122271), (3356, 6307327), (8489, 2493508), (9659, 2191468), (10907, 1940716), (16978, 1246754), (19318, 1095734), (21814, 970358), (33956, 623377), (38636, 547867), (43628, 485179)]