21546252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6577}}^1$

素因数の和:6607

約数の個数: 72

約数和(自身を含む): 67042976

約数和(自身を除く): 45496724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6577, 13154, 19731, 26308, 39462, 46039, 59193, 78924, 85501, 92078, 118386, 138117, 171002, 184156, 236772, 256503, 276234, 342004, 414351, 513006, 552468, 598507, 769509, 828702, 1026012, 1197014, 1539018, 1657404, 1795521, 2394028, 3078036, 3591042, 5386563, 7182084, 10773126, 21546252]

約数ペア:

[(1, 21546252), (2, 10773126), (3, 7182084), (4, 5386563), (6, 3591042), (7, 3078036), (9, 2394028), (12, 1795521), (13, 1657404), (14, 1539018), (18, 1197014), (21, 1026012), (26, 828702), (28, 769509), (36, 598507), (39, 552468), (42, 513006), (52, 414351), (63, 342004), (78, 276234), (84, 256503), (91, 236772), (117, 184156), (126, 171002), (156, 138117), (182, 118386), (234, 92078), (252, 85501), (273, 78924), (364, 59193), (468, 46039), (546, 39462), (819, 26308), (1092, 19731), (1638, 13154), (3276, 6577)]