21994274315

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{33413}}^1$

素因数の和:33504

約数の個数: 48

約数和(自身を含む): 30818400480

約数和(自身を除く): 8824126165

約数列:

[1, 5, 13, 19, 41, 65, 95, 169, 205, 247, 533, 779, 845, 1235, 2665, 3211, 3895, 6929, 10127, 16055, 33413, 34645, 50635, 131651, 167065, 434369, 634847, 658255, 1369933, 2171845, 3174235, 5646797, 6849665, 8253011, 17809129, 26028727, 28233985, 41265055, 89045645, 107289143, 130143635, 231518677, 338373451, 536445715, 1157593385, 1691867255, 4398854863, 21994274315]

約数ペア:

[(1, 21994274315), (5, 4398854863), (13, 1691867255), (19, 1157593385), (41, 536445715), (65, 338373451), (95, 231518677), (169, 130143635), (205, 107289143), (247, 89045645), (533, 41265055), (779, 28233985), (845, 26028727), (1235, 17809129), (2665, 8253011), (3211, 6849665), (3895, 5646797), (6929, 3174235), (10127, 2171845), (16055, 1369933), (33413, 658255), (34645, 634847), (50635, 434369), (131651, 167065)]