21314608

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:930

約数の個数: 60

約数和(自身を含む): 49645632

約数和(自身を除く): 28331024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 868, 877, 1519, 1736, 1754, 3038, 3472, 3508, 6076, 6139, 7016, 12152, 12278, 14032, 24304, 24556, 27187, 42973, 49112, 54374, 85946, 98224, 108748, 171892, 190309, 217496, 343784, 380618, 434992, 687568, 761236, 1332163, 1522472, 2664326, 3044944, 5328652, 10657304, 21314608]

約数ペア:

[(1, 21314608), (2, 10657304), (4, 5328652), (7, 3044944), (8, 2664326), (14, 1522472), (16, 1332163), (28, 761236), (31, 687568), (49, 434992), (56, 380618), (62, 343784), (98, 217496), (112, 190309), (124, 171892), (196, 108748), (217, 98224), (248, 85946), (392, 54374), (434, 49112), (496, 42973), (784, 27187), (868, 24556), (877, 24304), (1519, 14032), (1736, 12278), (1754, 12152), (3038, 7016), (3472, 6139), (3508, 6076)]