21048219

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1483}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 32410560

約数和(自身を除く): 11362341

約数列:

[1, 3, 9, 19, 57, 83, 171, 249, 747, 1483, 1577, 4449, 4731, 13347, 14193, 28177, 84531, 123089, 253593, 369267, 1107801, 2338691, 7016073, 21048219]

約数ペア:

[(1, 21048219), (3, 7016073), (9, 2338691), (19, 1107801), (57, 369267), (83, 253593), (171, 123089), (249, 84531), (747, 28177), (1483, 14193), (1577, 13347), (4449, 4731)]