21032260991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1\times {\mathrm{4663}}^1$

素因数の和:6023

約数の個数: 32

約数和(自身を含む): 26354211840

約数和(自身を除く): 5321950849

約数列:

[1, 7, 17, 29, 119, 203, 493, 1307, 3451, 4663, 9149, 22219, 32641, 37903, 79271, 135227, 155533, 265321, 554897, 644351, 946589, 2298859, 4510457, 6094541, 16092013, 42661787, 103607197, 176741689, 725250379, 1237191823, 3004608713, 21032260991]

約数ペア:

[(1, 21032260991), (7, 3004608713), (17, 1237191823), (29, 725250379), (119, 176741689), (203, 103607197), (493, 42661787), (1307, 16092013), (3451, 6094541), (4663, 4510457), (9149, 2298859), (22219, 946589), (32641, 644351), (37903, 554897), (79271, 265321), (135227, 155533)]