21062928

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{3203}}^1$

素因数の和:3351

約数の個数: 40

約数和(自身を含む): 54826848

約数和(自身を除く): 33763920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 3203, 3288, 6406, 6576, 9609, 12812, 19218, 25624, 38436, 51248, 76872, 153744, 438811, 877622, 1316433, 1755244, 2632866, 3510488, 5265732, 7020976, 10531464, 21062928]

約数ペア:

[(1, 21062928), (2, 10531464), (3, 7020976), (4, 5265732), (6, 3510488), (8, 2632866), (12, 1755244), (16, 1316433), (24, 877622), (48, 438811), (137, 153744), (274, 76872), (411, 51248), (548, 38436), (822, 25624), (1096, 19218), (1644, 12812), (2192, 9609), (3203, 6576), (3288, 6406)]