21070038

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 28385322

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 89, 102, 178, 187, 211, 267, 374, 422, 534, 561, 633, 979, 1122, 1266, 1513, 1958, 2321, 2937, 3026, 3587, 4539, 4642, 5874, 6963, 7174, 9078, 10761, 13926, 16643, 18779, 21522, 33286, 37558, 39457, 49929, 56337, 78914, 99858, 112674, 118371, 206569, 236742, 319243, 413138, 619707, 638486, 957729, 1239414, 1915458, 3511673, 7023346, 10535019, 21070038]

約数ペア:

[(1, 21070038), (2, 10535019), (3, 7023346), (6, 3511673), (11, 1915458), (17, 1239414), (22, 957729), (33, 638486), (34, 619707), (51, 413138), (66, 319243), (89, 236742), (102, 206569), (178, 118371), (187, 112674), (211, 99858), (267, 78914), (374, 56337), (422, 49929), (534, 39457), (561, 37558), (633, 33286), (979, 21522), (1122, 18779), (1266, 16643), (1513, 13926), (1958, 10761), (2321, 9078), (2937, 7174), (3026, 6963), (3587, 5874), (4539, 4642)]