21043669402

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{154849}}^1$

素因数の和:155446

約数の個数: 32

約数和(自身を含む): 38264054400

約数和(自身を除く): 17220384998

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 571, 1142, 3997, 7994, 9707, 19414, 67949, 135898, 154849, 309698, 1083943, 2167886, 2632433, 5264866, 18427031, 36854062, 88418779, 176837558, 618931453, 1237862906, 1503119243, 3006238486, 10521834701, 21043669402]

約数ペア:

[(1, 21043669402), (2, 10521834701), (7, 3006238486), (14, 1503119243), (17, 1237862906), (34, 618931453), (119, 176837558), (238, 88418779), (571, 36854062), (1142, 18427031), (3997, 5264866), (7994, 2632433), (9707, 2167886), (19414, 1083943), (67949, 309698), (135898, 154849)]