21549944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{587}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 43711920

約数和(自身を除く): 22161976

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 587, 706, 1174, 1412, 2348, 2824, 4589, 4696, 7631, 9178, 15262, 18356, 30524, 36712, 61048, 207211, 414422, 828844, 1657688, 2693743, 5387486, 10774972, 21549944]

約数ペア:

[(1, 21549944), (2, 10774972), (4, 5387486), (8, 2693743), (13, 1657688), (26, 828844), (52, 414422), (104, 207211), (353, 61048), (587, 36712), (706, 30524), (1174, 18356), (1412, 15262), (2348, 9178), (2824, 7631), (4589, 4696)]