21079908

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{2557}}^1$

素因数の和:2796

約数の個数: 36

約数和(自身を含む): 53538940

約数和(自身を除く): 32459032

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2557, 2748, 4122, 5114, 7671, 8244, 10228, 15342, 23013, 30684, 46026, 92052, 585553, 1171106, 1756659, 2342212, 3513318, 5269977, 7026636, 10539954, 21079908]

約数ペア:

[(1, 21079908), (2, 10539954), (3, 7026636), (4, 5269977), (6, 3513318), (9, 2342212), (12, 1756659), (18, 1171106), (36, 585553), (229, 92052), (458, 46026), (687, 30684), (916, 23013), (1374, 15342), (2061, 10228), (2557, 8244), (2748, 7671), (4122, 5114)]