21031931445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{15139}}^1$

素因数の和:15386

約数の個数: 64

約数和(自身を含む): 39138232320

約数和(自身を除く): 18106300875

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 131, 303, 393, 505, 655, 707, 917, 1515, 1965, 2121, 2751, 3535, 4585, 10605, 13231, 13755, 15139, 39693, 45417, 66155, 75695, 92617, 105973, 198465, 227085, 277851, 317919, 463085, 529865, 1389255, 1529039, 1589595, 1983209, 4587117, 5949627, 7645195, 9916045, 10703273, 13882463, 22935585, 29748135, 32109819, 41647389, 53516365, 69412315, 160549095, 200304109, 208236945, 600912327, 1001520545, 1402128763, 3004561635, 4206386289, 7010643815, 21031931445]

約数ペア:

[(1, 21031931445), (3, 7010643815), (5, 4206386289), (7, 3004561635), (15, 1402128763), (21, 1001520545), (35, 600912327), (101, 208236945), (105, 200304109), (131, 160549095), (303, 69412315), (393, 53516365), (505, 41647389), (655, 32109819), (707, 29748135), (917, 22935585), (1515, 13882463), (1965, 10703273), (2121, 9916045), (2751, 7645195), (3535, 5949627), (4585, 4587117), (10605, 1983209), (13231, 1589595), (13755, 1529039), (15139, 1389255), (39693, 529865), (45417, 463085), (66155, 317919), (75695, 277851), (92617, 227085), (105973, 198465)]