21922029

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{283}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 34534400

約数和(自身を除く): 12612371

約数列:

[1, 3, 9, 19, 27, 57, 151, 171, 283, 453, 513, 849, 1359, 2547, 2869, 4077, 5377, 7641, 8607, 16131, 25821, 42733, 48393, 77463, 128199, 145179, 384597, 811927, 1153791, 2435781, 7307343, 21922029]

約数ペア:

[(1, 21922029), (3, 7307343), (9, 2435781), (19, 1153791), (27, 811927), (57, 384597), (151, 145179), (171, 128199), (283, 77463), (453, 48393), (513, 42733), (849, 25821), (1359, 16131), (2547, 8607), (2869, 7641), (4077, 5377)]