21374178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{508909}}^1$

素因数の和:508921

約数の個数: 16

約数和(自身を含む): 48855360

約数和(自身を除く): 27481182

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 508909, 1017818, 1526727, 3053454, 3562363, 7124726, 10687089, 21374178]

約数ペア:

[(1, 21374178), (2, 10687089), (3, 7124726), (6, 3562363), (7, 3053454), (14, 1526727), (21, 1017818), (42, 508909)]