21466774

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 38730240

約数和(自身を除く): 17263466

約数列:

[1, 2, 7, 14, 23, 46, 161, 163, 322, 326, 409, 818, 1141, 2282, 2863, 3749, 5726, 7498, 9407, 18814, 26243, 52486, 65849, 66667, 131698, 133334, 466669, 933338, 1533341, 3066682, 10733387, 21466774]

約数ペア:

[(1, 21466774), (2, 10733387), (7, 3066682), (14, 1533341), (23, 933338), (46, 466669), (161, 133334), (163, 131698), (322, 66667), (326, 65849), (409, 52486), (818, 26243), (1141, 18814), (2282, 9407), (2863, 7498), (3749, 5726)]