2021637891

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 3393008640

約数和(自身を除く): 1371370749

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 313, 401, 413, 767, 939, 1203, 1239, 2191, 2301, 2807, 4069, 5213, 5369, 6573, 8421, 12207, 15639, 16107, 18467, 23659, 28483, 36491, 55401, 70977, 85449, 109473, 125513, 129269, 165613, 240071, 307567, 376539, 387807, 496839, 720213, 878591, 922701, 1631669, 1680497, 2152969, 2635773, 4895007, 5041491, 6458907, 7405267, 11421683, 22215801, 34265049, 51836869, 96268471, 155510607, 288805413, 673879297, 2021637891]

約数ペア:

[(1, 2021637891), (3, 673879297), (7, 288805413), (13, 155510607), (21, 96268471), (39, 51836869), (59, 34265049), (91, 22215801), (177, 11421683), (273, 7405267), (313, 6458907), (401, 5041491), (413, 4895007), (767, 2635773), (939, 2152969), (1203, 1680497), (1239, 1631669), (2191, 922701), (2301, 878591), (2807, 720213), (4069, 496839), (5213, 387807), (5369, 376539), (6573, 307567), (8421, 240071), (12207, 165613), (15639, 129269), (16107, 125513), (18467, 109473), (23659, 85449), (28483, 70977), (36491, 55401)]