21276216

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7577}}^1$

素因数の和:7605

約数の個数: 64

約数和(自身を含む): 63655200

約数和(自身を除く): 42378984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7577, 15154, 22731, 30308, 45462, 60616, 68193, 90924, 98501, 136386, 181848, 197002, 204579, 272772, 295503, 394004, 409158, 545544, 591006, 788008, 818316, 886509, 1182012, 1636632, 1773018, 2364024, 2659527, 3546036, 5319054, 7092072, 10638108, 21276216]

約数ペア:

[(1, 21276216), (2, 10638108), (3, 7092072), (4, 5319054), (6, 3546036), (8, 2659527), (9, 2364024), (12, 1773018), (13, 1636632), (18, 1182012), (24, 886509), (26, 818316), (27, 788008), (36, 591006), (39, 545544), (52, 409158), (54, 394004), (72, 295503), (78, 272772), (104, 204579), (108, 197002), (117, 181848), (156, 136386), (216, 98501), (234, 90924), (312, 68193), (351, 60616), (468, 45462), (702, 30308), (936, 22731), (1404, 15154), (2808, 7577)]