21978339585

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{62141}}^1$

素因数の和:62258

約数の個数: 64

約数和(自身を含む): 39731109120

約数和(自身を除く): 17752769535

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 73, 85, 95, 219, 255, 285, 323, 365, 969, 1095, 1241, 1387, 1615, 3723, 4161, 4845, 6205, 6935, 18615, 20805, 23579, 62141, 70737, 117895, 186423, 310705, 353685, 932115, 1056397, 1180679, 3169191, 3542037, 4536293, 5281985, 5903395, 13608879, 15845955, 17710185, 20071543, 22681465, 60214629, 68044395, 77116981, 86189567, 100357715, 231350943, 258568701, 301073145, 385584905, 430947835, 1156754715, 1292843505, 1465222639, 4395667917, 7326113195, 21978339585]

約数ペア:

[(1, 21978339585), (3, 7326113195), (5, 4395667917), (15, 1465222639), (17, 1292843505), (19, 1156754715), (51, 430947835), (57, 385584905), (73, 301073145), (85, 258568701), (95, 231350943), (219, 100357715), (255, 86189567), (285, 77116981), (323, 68044395), (365, 60214629), (969, 22681465), (1095, 20071543), (1241, 17710185), (1387, 15845955), (1615, 13608879), (3723, 5903395), (4161, 5281985), (4845, 4536293), (6205, 3542037), (6935, 3169191), (18615, 1180679), (20805, 1056397), (23579, 932115), (62141, 353685), (70737, 310705), (117895, 186423)]