21462315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4349}}^1$

素因数の和:4411

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 18627285

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4349, 4935, 13047, 21745, 30443, 65235, 91329, 152215, 204403, 456645, 613209, 1022015, 1430821, 3066045, 4292463, 7154105, 21462315]

約数ペア:

[(1, 21462315), (3, 7154105), (5, 4292463), (7, 3066045), (15, 1430821), (21, 1022015), (35, 613209), (47, 456645), (105, 204403), (141, 152215), (235, 91329), (329, 65235), (705, 30443), (987, 21745), (1645, 13047), (4349, 4935)]