21243468

素因数分解:

$2^2\times 3^1\times {\mathrm{269}}^1\times {\mathrm{6581}}^1$

素因数の和:6857

約数の個数: 24

約数和(自身を含む): 49759920

約数和(自身を除く): 28516452

約数列:

[1, 2, 3, 4, 6, 12, 269, 538, 807, 1076, 1614, 3228, 6581, 13162, 19743, 26324, 39486, 78972, 1770289, 3540578, 5310867, 7081156, 10621734, 21243468]

約数ペア:

[(1, 21243468), (2, 10621734), (3, 7081156), (4, 5310867), (6, 3540578), (12, 1770289), (269, 78972), (538, 39486), (807, 26324), (1076, 19743), (1614, 13162), (3228, 6581)]