21295492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7283}}^1$

素因数の和:7347

約数の個数: 24

約数和(自身を含む): 40382496

約数和(自身を除く): 19087004

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7283, 14566, 29132, 123811, 247622, 313169, 495244, 626338, 1252676, 5323873, 10647746, 21295492]

約数ペア:

[(1, 21295492), (2, 10647746), (4, 5323873), (17, 1252676), (34, 626338), (43, 495244), (68, 313169), (86, 247622), (172, 123811), (731, 29132), (1462, 14566), (2924, 7283)]