21033726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 51632640

約数和(自身を除く): 30598914

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 89, 102, 119, 178, 238, 267, 331, 357, 534, 623, 662, 714, 993, 1246, 1513, 1869, 1986, 2317, 3026, 3738, 4539, 4634, 5627, 6951, 9078, 10591, 11254, 13902, 16881, 21182, 29459, 31773, 33762, 39389, 58918, 63546, 78778, 88377, 118167, 176754, 206213, 236334, 412426, 500803, 618639, 1001606, 1237278, 1502409, 3004818, 3505621, 7011242, 10516863, 21033726]

約数ペア:

[(1, 21033726), (2, 10516863), (3, 7011242), (6, 3505621), (7, 3004818), (14, 1502409), (17, 1237278), (21, 1001606), (34, 618639), (42, 500803), (51, 412426), (89, 236334), (102, 206213), (119, 176754), (178, 118167), (238, 88377), (267, 78778), (331, 63546), (357, 58918), (534, 39389), (623, 33762), (662, 31773), (714, 29459), (993, 21182), (1246, 16881), (1513, 13902), (1869, 11254), (1986, 10591), (2317, 9078), (3026, 6951), (3738, 5627), (4539, 4634)]