21791214

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 51897600

約数和(自身を除く): 30106386

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 67, 114, 134, 171, 201, 317, 342, 402, 513, 603, 634, 951, 1026, 1206, 1273, 1809, 1902, 2546, 2853, 3618, 3819, 5706, 6023, 7638, 8559, 11457, 12046, 17118, 18069, 21239, 22914, 34371, 36138, 42478, 54207, 63717, 68742, 108414, 127434, 162621, 191151, 325242, 382302, 403541, 573453, 807082, 1146906, 1210623, 2421246, 3631869, 7263738, 10895607, 21791214]

約数ペア:

[(1, 21791214), (2, 10895607), (3, 7263738), (6, 3631869), (9, 2421246), (18, 1210623), (19, 1146906), (27, 807082), (38, 573453), (54, 403541), (57, 382302), (67, 325242), (114, 191151), (134, 162621), (171, 127434), (201, 108414), (317, 68742), (342, 63717), (402, 54207), (513, 42478), (603, 36138), (634, 34371), (951, 22914), (1026, 21239), (1206, 18069), (1273, 17118), (1809, 12046), (1902, 11457), (2546, 8559), (2853, 7638), (3618, 6023), (3819, 5706)]