21997548

素因数分解:

$2^2\times 3^3\times {\mathrm{353}}^1\times {\mathrm{577}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 57291360

約数和(自身を除く): 35293812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 353, 577, 706, 1059, 1154, 1412, 1731, 2118, 2308, 3177, 3462, 4236, 5193, 6354, 6924, 9531, 10386, 12708, 15579, 19062, 20772, 31158, 38124, 62316, 203681, 407362, 611043, 814724, 1222086, 1833129, 2444172, 3666258, 5499387, 7332516, 10998774, 21997548]

約数ペア:

[(1, 21997548), (2, 10998774), (3, 7332516), (4, 5499387), (6, 3666258), (9, 2444172), (12, 1833129), (18, 1222086), (27, 814724), (36, 611043), (54, 407362), (108, 203681), (353, 62316), (577, 38124), (706, 31158), (1059, 20772), (1154, 19062), (1412, 15579), (1731, 12708), (2118, 10386), (2308, 9531), (3177, 6924), (3462, 6354), (4236, 5193)]