21450718534

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{4297}}^1$

素因数の和:4722

約数の個数: 64

約数和(自身を含む): 39610368000

約数和(自身を除く): 18159649466

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 343, 383, 686, 766, 931, 1862, 2681, 4297, 5362, 6517, 7277, 8594, 13034, 14554, 18767, 30079, 37534, 50939, 60158, 81643, 101878, 131369, 163286, 210553, 262738, 356573, 421106, 571501, 713146, 1143002, 1473871, 1645751, 2496011, 2947742, 3291502, 4000507, 4992022, 8001014, 11520257, 23040514, 28003549, 31269269, 56007098, 62538538, 80641799, 161283598, 218884883, 437769766, 564492593, 1128985186, 1532194181, 3064388362, 10725359267, 21450718534]

約数ペア:

[(1, 21450718534), (2, 10725359267), (7, 3064388362), (14, 1532194181), (19, 1128985186), (38, 564492593), (49, 437769766), (98, 218884883), (133, 161283598), (266, 80641799), (343, 62538538), (383, 56007098), (686, 31269269), (766, 28003549), (931, 23040514), (1862, 11520257), (2681, 8001014), (4297, 4992022), (5362, 4000507), (6517, 3291502), (7277, 2947742), (8594, 2496011), (13034, 1645751), (14554, 1473871), (18767, 1143002), (30079, 713146), (37534, 571501), (50939, 421106), (60158, 356573), (81643, 262738), (101878, 210553), (131369, 163286)]