21430234

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 39260160

約数和(自身を除く): 17829926

約数列:

[1, 2, 7, 14, 17, 34, 119, 127, 238, 254, 709, 889, 1418, 1778, 2159, 4318, 4963, 9926, 12053, 15113, 24106, 30226, 84371, 90043, 168742, 180086, 630301, 1260602, 1530731, 3061462, 10715117, 21430234]

約数ペア:

[(1, 21430234), (2, 10715117), (7, 3061462), (14, 1530731), (17, 1260602), (34, 630301), (119, 180086), (127, 168742), (238, 90043), (254, 84371), (709, 30226), (889, 24106), (1418, 15113), (1778, 12053), (2159, 9926), (4318, 4963)]