21400064

素因数分解:

$2^9\times 7^2\times {\mathrm{853}}^1$

素因数の和:885

約数の個数: 60

約数和(自身を含む): 49797594

約数和(自身を除く): 28397530

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 853, 896, 1568, 1706, 1792, 3136, 3412, 3584, 5971, 6272, 6824, 11942, 12544, 13648, 23884, 25088, 27296, 41797, 47768, 54592, 83594, 95536, 109184, 167188, 191072, 218368, 334376, 382144, 436736, 668752, 764288, 1337504, 1528576, 2675008, 3057152, 5350016, 10700032, 21400064]

約数ペア:

[(1, 21400064), (2, 10700032), (4, 5350016), (7, 3057152), (8, 2675008), (14, 1528576), (16, 1337504), (28, 764288), (32, 668752), (49, 436736), (56, 382144), (64, 334376), (98, 218368), (112, 191072), (128, 167188), (196, 109184), (224, 95536), (256, 83594), (392, 54592), (448, 47768), (512, 41797), (784, 27296), (853, 25088), (896, 23884), (1568, 13648), (1706, 12544), (1792, 11942), (3136, 6824), (3412, 6272), (3584, 5971)]