21297918577

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{8861}}^1$

素因数の和:9193

約数の個数: 32

約数和(自身を含む): 24893003520

約数和(自身を除く): 3595084943

約数列:

[1, 13, 19, 37, 247, 263, 481, 703, 3419, 4997, 8861, 9139, 9731, 64961, 115193, 126503, 168359, 184889, 327857, 2188667, 2330443, 2403557, 4262141, 6229283, 30295759, 44278417, 80980679, 86226391, 575619421, 1120943083, 1638301429, 21297918577]

約数ペア:

[(1, 21297918577), (13, 1638301429), (19, 1120943083), (37, 575619421), (247, 86226391), (263, 80980679), (481, 44278417), (703, 30295759), (3419, 6229283), (4997, 4262141), (8861, 2403557), (9139, 2330443), (9731, 2188667), (64961, 327857), (115193, 184889), (126503, 168359)]