21088194

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 26500926

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 89, 101, 102, 138, 178, 202, 267, 303, 391, 534, 606, 782, 1173, 1513, 1717, 2047, 2323, 2346, 3026, 3434, 4094, 4539, 4646, 5151, 6141, 6969, 8989, 9078, 10302, 12282, 13938, 17978, 26967, 34799, 39491, 53934, 69598, 78982, 104397, 118473, 152813, 206747, 208794, 236946, 305626, 413494, 458439, 620241, 916878, 1240482, 3514699, 7029398, 10544097, 21088194]

約数ペア:

[(1, 21088194), (2, 10544097), (3, 7029398), (6, 3514699), (17, 1240482), (23, 916878), (34, 620241), (46, 458439), (51, 413494), (69, 305626), (89, 236946), (101, 208794), (102, 206747), (138, 152813), (178, 118473), (202, 104397), (267, 78982), (303, 69598), (391, 53934), (534, 39491), (606, 34799), (782, 26967), (1173, 17978), (1513, 13938), (1717, 12282), (2047, 10302), (2323, 9078), (2346, 8989), (3026, 6969), (3434, 6141), (4094, 5151), (4539, 4646)]