16293921

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 25444800

約数和(自身を除く): 9150879

約数列:

[1, 3, 7, 21, 49, 147, 199, 557, 597, 1393, 1671, 3899, 4179, 9751, 11697, 27293, 29253, 81879, 110843, 332529, 775901, 2327703, 5431307, 16293921]

約数ペア:

[(1, 16293921), (3, 5431307), (7, 2327703), (21, 775901), (49, 332529), (147, 110843), (199, 81879), (557, 29253), (597, 27293), (1393, 11697), (1671, 9751), (3899, 4179)]