21478154

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7879}}^1$

素因数の和:7957

約数の個数: 16

約数和(自身を含む): 34041600

約数和(自身を除く): 12563446

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7879, 15758, 228491, 370313, 456982, 740626, 10739077, 21478154]

約数ペア:

[(1, 21478154), (2, 10739077), (29, 740626), (47, 456982), (58, 370313), (94, 228491), (1363, 15758), (2726, 7879)]