21780453632

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{146437}}^1$

素因数の和:146543

約数の個数: 72

約数和(自身を含む): 50285637696

約数和(自身を除く): 28505184064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 256, 332, 448, 581, 664, 896, 1162, 1328, 1792, 2324, 2656, 4648, 5312, 9296, 10624, 18592, 21248, 37184, 74368, 146437, 148736, 292874, 585748, 1025059, 1171496, 2050118, 2342992, 4100236, 4685984, 8200472, 9371968, 12154271, 16400944, 18743936, 24308542, 32801888, 37487872, 48617084, 65603776, 85079897, 97234168, 131207552, 170159794, 194468336, 262415104, 340319588, 388936672, 680639176, 777873344, 1361278352, 1555746688, 2722556704, 3111493376, 5445113408, 10890226816, 21780453632]

約数ペア:

[(1, 21780453632), (2, 10890226816), (4, 5445113408), (7, 3111493376), (8, 2722556704), (14, 1555746688), (16, 1361278352), (28, 777873344), (32, 680639176), (56, 388936672), (64, 340319588), (83, 262415104), (112, 194468336), (128, 170159794), (166, 131207552), (224, 97234168), (256, 85079897), (332, 65603776), (448, 48617084), (581, 37487872), (664, 32801888), (896, 24308542), (1162, 18743936), (1328, 16400944), (1792, 12154271), (2324, 9371968), (2656, 8200472), (4648, 4685984), (5312, 4100236), (9296, 2342992), (10624, 2050118), (18592, 1171496), (21248, 1025059), (37184, 585748), (74368, 292874), (146437, 148736)]