21091313865

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1\times {\mathrm{37097}}^1$

素因数の和:38441

約数の個数: 32

約数和(自身を含む): 34937412480

約数和(自身を除く): 13846098615

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 1307, 3921, 6535, 19605, 37097, 37903, 111291, 113709, 185485, 189515, 556455, 568545, 1075813, 3227439, 5379065, 16137195, 48485779, 145457337, 242428895, 727286685, 1406087591, 4218262773, 7030437955, 21091313865]

約数ペア:

[(1, 21091313865), (3, 7030437955), (5, 4218262773), (15, 1406087591), (29, 727286685), (87, 242428895), (145, 145457337), (435, 48485779), (1307, 16137195), (3921, 5379065), (6535, 3227439), (19605, 1075813), (37097, 568545), (37903, 556455), (111291, 189515), (113709, 185485)]